Home / 102,166.18-140,987.14-59,147.48

Finding the Fourth Proportional to 102,166.18, 140,987.14 and 59,147.48

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Solution

The fourth proportional to 102,166.18, 140,987.14 and 59,147.48 is: 81,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,166.18 : 140,987.14 = 59,147.48 : x
  2. Step 2: Convert to fraction form
    102,166.18/140,987.14 = 59,147.48/x
  3. Step 3: Cross multiply
    102,166.18x = 140,987.14 × 59,147.48
  4. Step 4: Simplify right side
    102,166.18x = 8,339,034,248.01
  5. Step 5: Solve for x
    x = 8,339,034,248.01/102,166.18
  6. Step 6: Final answer
    x = 81,622.26

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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.