Home / 107,154.09-147,876.15-59,411.88

Finding the Fourth Proportional to 107,154.09, 147,876.15 and 59,411.88

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Solution

The fourth proportional to 107,154.09, 147,876.15 and 59,411.88 is: 81,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,154.09 : 147,876.15 = 59,411.88 : x
  2. Step 2: Convert to fraction form
    107,154.09/147,876.15 = 59,411.88/x
  3. Step 3: Cross multiply
    107,154.09x = 147,876.15 × 59,411.88
  4. Step 4: Simplify right side
    107,154.09x = 8,785,600,078.66
  5. Step 5: Solve for x
    x = 8,785,600,078.66/107,154.09
  6. Step 6: Final answer
    x = 81,990.34

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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.