Home / 113,443.03-156,545.44-62,445.80

Finding the Fourth Proportional to 113,443.03, 156,545.44 and 62,445.80

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Solution

The fourth proportional to 113,443.03, 156,545.44 and 62,445.80 is: 86,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,443.03 : 156,545.44 = 62,445.80 : x
  2. Step 2: Convert to fraction form
    113,443.03/156,545.44 = 62,445.80/x
  3. Step 3: Cross multiply
    113,443.03x = 156,545.44 × 62,445.80
  4. Step 4: Simplify right side
    113,443.03x = 9,775,604,944.30
  5. Step 5: Solve for x
    x = 9,775,604,944.30/113,443.03
  6. Step 6: Final answer
    x = 86,171.93

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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.