Home / 102,357.12-141,253.11-59,344.95

Finding the Fourth Proportional to 102,357.12, 141,253.11 and 59,344.95

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Solution

The fourth proportional to 102,357.12, 141,253.11 and 59,344.95 is: 81,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,357.12 : 141,253.11 = 59,344.95 : x
  2. Step 2: Convert to fraction form
    102,357.12/141,253.11 = 59,344.95/x
  3. Step 3: Cross multiply
    102,357.12x = 141,253.11 × 59,344.95
  4. Step 4: Simplify right side
    102,357.12x = 8,382,658,750.29
  5. Step 5: Solve for x
    x = 8,382,658,750.29/102,357.12
  6. Step 6: Final answer
    x = 81,896.20

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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.