Home / 107,193.80-147,920.10-59,442.68

Finding the Fourth Proportional to 107,193.80, 147,920.10 and 59,442.68

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Solution

The fourth proportional to 107,193.80, 147,920.10 and 59,442.68 is: 82,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,193.80 : 147,920.10 = 59,442.68 : x
  2. Step 2: Convert to fraction form
    107,193.80/147,920.10 = 59,442.68/x
  3. Step 3: Cross multiply
    107,193.80x = 147,920.10 × 59,442.68
  4. Step 4: Simplify right side
    107,193.80x = 8,792,767,169.87
  5. Step 5: Solve for x
    x = 8,792,767,169.87/107,193.80
  6. Step 6: Final answer
    x = 82,026.83

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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.