Home / 107,141.18-147,852.15-59,394.38

Finding the Fourth Proportional to 107,141.18, 147,852.15 and 59,394.38

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Solution

The fourth proportional to 107,141.18, 147,852.15 and 59,394.38 is: 81,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,141.18 : 147,852.15 = 59,394.38 : x
  2. Step 2: Convert to fraction form
    107,141.18/147,852.15 = 59,394.38/x
  3. Step 3: Cross multiply
    107,141.18x = 147,852.15 × 59,394.38
  4. Step 4: Simplify right side
    107,141.18x = 8,781,586,780.92
  5. Step 5: Solve for x
    x = 8,781,586,780.92/107,141.18
  6. Step 6: Final answer
    x = 81,962.76

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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.