Home / 256,953.24-354,585.60-143,776.08

Finding the Fourth Proportional to 256,953.24, 354,585.60 and 143,776.08

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Solution

The fourth proportional to 256,953.24, 354,585.60 and 143,776.08 is: 198,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,953.24 : 354,585.60 = 143,776.08 : x
  2. Step 2: Convert to fraction form
    256,953.24/354,585.60 = 143,776.08/x
  3. Step 3: Cross multiply
    256,953.24x = 354,585.60 × 143,776.08
  4. Step 4: Simplify right side
    256,953.24x = 50,980,927,592.45
  5. Step 5: Solve for x
    x = 50,980,927,592.45/256,953.24
  6. Step 6: Final answer
    x = 198,405.47

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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.