Home / 144,310.11-199,019.02-90,600.13

Finding the Fourth Proportional to 144,310.11, 199,019.02 and 90,600.13

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Solution

The fourth proportional to 144,310.11, 199,019.02 and 90,600.13 is: 124,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,310.11 : 199,019.02 = 90,600.13 : x
  2. Step 2: Convert to fraction form
    144,310.11/199,019.02 = 90,600.13/x
  3. Step 3: Cross multiply
    144,310.11x = 199,019.02 × 90,600.13
  4. Step 4: Simplify right side
    144,310.11x = 18,031,148,857.97
  5. Step 5: Solve for x
    x = 18,031,148,857.97/144,310.11
  6. Step 6: Final answer
    x = 124,947.24

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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.