Home / 113,149.96-156,146.29-62,161.58

Finding the Fourth Proportional to 113,149.96, 156,146.29 and 62,161.58

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Solution

The fourth proportional to 113,149.96, 156,146.29 and 62,161.58 is: 85,782.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,149.96 : 156,146.29 = 62,161.58 : x
  2. Step 2: Convert to fraction form
    113,149.96/156,146.29 = 62,161.58/x
  3. Step 3: Cross multiply
    113,149.96x = 156,146.29 × 62,161.58
  4. Step 4: Simplify right side
    113,149.96x = 9,706,300,332.50
  5. Step 5: Solve for x
    x = 9,706,300,332.50/113,149.96
  6. Step 6: Final answer
    x = 85,782.62

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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.