Home / 107,166.40-147,890.88-59,420.32

Finding the Fourth Proportional to 107,166.40, 147,890.88 and 59,420.32

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Solution

The fourth proportional to 107,166.40, 147,890.88 and 59,420.32 is: 82,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,166.40 : 147,890.88 = 59,420.32 : x
  2. Step 2: Convert to fraction form
    107,166.40/147,890.88 = 59,420.32/x
  3. Step 3: Cross multiply
    107,166.40x = 147,890.88 × 59,420.32
  4. Step 4: Simplify right side
    107,166.40x = 8,787,723,414.68
  5. Step 5: Solve for x
    x = 8,787,723,414.68/107,166.40
  6. Step 6: Final answer
    x = 82,000.73

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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.