Home / 113,281.28-156,332.18-62,297.89

Finding the Fourth Proportional to 113,281.28, 156,332.18 and 62,297.89

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Solution

The fourth proportional to 113,281.28, 156,332.18 and 62,297.89 is: 85,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,281.28 : 156,332.18 = 62,297.89 : x
  2. Step 2: Convert to fraction form
    113,281.28/156,332.18 = 62,297.89/x
  3. Step 3: Cross multiply
    113,281.28x = 156,332.18 × 62,297.89
  4. Step 4: Simplify right side
    113,281.28x = 9,739,164,953.10
  5. Step 5: Solve for x
    x = 9,739,164,953.10/113,281.28
  6. Step 6: Final answer
    x = 85,973.30

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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.