Home / 255,900.06-353,077.38-153,892.71

Finding the Fourth Proportional to 255,900.06, 353,077.38 and 153,892.71

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Solution

The fourth proportional to 255,900.06, 353,077.38 and 153,892.71 is: 212,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,900.06 : 353,077.38 = 153,892.71 : x
  2. Step 2: Convert to fraction form
    255,900.06/353,077.38 = 153,892.71/x
  3. Step 3: Cross multiply
    255,900.06x = 353,077.38 × 153,892.71
  4. Step 4: Simplify right side
    255,900.06x = 54,336,034,847.90
  5. Step 5: Solve for x
    x = 54,336,034,847.90/255,900.06
  6. Step 6: Final answer
    x = 212,333.03

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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.