Home / 185,513,528.25-256,108,060.70-143,034,309.60

Finding the Fourth Proportional to 185,513,528.25, 256,108,060.70 and 143,034,309.60

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Solution

The fourth proportional to 185,513,528.25, 256,108,060.70 and 143,034,309.60 is: 197,463,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,513,528.25 : 256,108,060.70 = 143,034,309.60 : x
  2. Step 2: Convert to fraction form
    185,513,528.25/256,108,060.70 = 143,034,309.60/x
  3. Step 3: Cross multiply
    185,513,528.25x = 256,108,060.70 × 143,034,309.60
  4. Step 4: Simplify right side
    185,513,528.25x = 36,632,239,645,219,392
  5. Step 5: Solve for x
    x = 36,632,239,645,219,392/185,513,528.25
  6. Step 6: Final answer
    x = 197,463,980.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.