Home / 108,132.17-149,217.80-60,384.69

Finding the Fourth Proportional to 108,132.17, 149,217.80 and 60,384.69

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Solution

The fourth proportional to 108,132.17, 149,217.80 and 60,384.69 is: 83,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,132.17 : 149,217.80 = 60,384.69 : x
  2. Step 2: Convert to fraction form
    108,132.17/149,217.80 = 60,384.69/x
  3. Step 3: Cross multiply
    108,132.17x = 149,217.80 × 60,384.69
  4. Step 4: Simplify right side
    108,132.17x = 9,010,470,293.56
  5. Step 5: Solve for x
    x = 9,010,470,293.56/108,132.17
  6. Step 6: Final answer
    x = 83,328.31

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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.