Home / 113,201.38-156,207.74-62,213.55

Finding the Fourth Proportional to 113,201.38, 156,207.74 and 62,213.55

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Solution

The fourth proportional to 113,201.38, 156,207.74 and 62,213.55 is: 85,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,201.38 : 156,207.74 = 62,213.55 : x
  2. Step 2: Convert to fraction form
    113,201.38/156,207.74 = 62,213.55/x
  3. Step 3: Cross multiply
    113,201.38x = 156,207.74 × 62,213.55
  4. Step 4: Simplify right side
    113,201.38x = 9,718,237,731.81
  5. Step 5: Solve for x
    x = 9,718,237,731.81/113,201.38
  6. Step 6: Final answer
    x = 85,849.11

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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.