Home / 107,039.20-147,701.92-59,280.64

Finding the Fourth Proportional to 107,039.20, 147,701.92 and 59,280.64

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Solution

The fourth proportional to 107,039.20, 147,701.92 and 59,280.64 is: 81,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,039.20 : 147,701.92 = 59,280.64 : x
  2. Step 2: Convert to fraction form
    107,039.20/147,701.92 = 59,280.64/x
  3. Step 3: Cross multiply
    107,039.20x = 147,701.92 × 59,280.64
  4. Step 4: Simplify right side
    107,039.20x = 8,755,864,346.83
  5. Step 5: Solve for x
    x = 8,755,864,346.83/107,039.20
  6. Step 6: Final answer
    x = 81,800.54

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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.