Home / 110,127.61-152,006.12-64,820.13

Finding the Fourth Proportional to 110,127.61, 152,006.12 and 64,820.13

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Solution

The fourth proportional to 110,127.61, 152,006.12 and 64,820.13 is: 89,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,127.61 : 152,006.12 = 64,820.13 : x
  2. Step 2: Convert to fraction form
    110,127.61/152,006.12 = 64,820.13/x
  3. Step 3: Cross multiply
    110,127.61x = 152,006.12 × 64,820.13
  4. Step 4: Simplify right side
    110,127.61x = 9,853,056,459.20
  5. Step 5: Solve for x
    x = 9,853,056,459.20/110,127.61
  6. Step 6: Final answer
    x = 89,469.45

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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.