Home / 113,489.81-156,610.27-62,506.95

Finding the Fourth Proportional to 113,489.81, 156,610.27 and 62,506.95

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Solution

The fourth proportional to 113,489.81, 156,610.27 and 62,506.95 is: 86,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,489.81 : 156,610.27 = 62,506.95 : x
  2. Step 2: Convert to fraction form
    113,489.81/156,610.27 = 62,506.95/x
  3. Step 3: Cross multiply
    113,489.81x = 156,610.27 × 62,506.95
  4. Step 4: Simplify right side
    113,489.81x = 9,789,230,316.38
  5. Step 5: Solve for x
    x = 9,789,230,316.38/113,489.81
  6. Step 6: Final answer
    x = 86,256.47

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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.