Home / 107,140.18-147,850.77-59,393.38

Finding the Fourth Proportional to 107,140.18, 147,850.77 and 59,393.38

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Solution

The fourth proportional to 107,140.18, 147,850.77 and 59,393.38 is: 81,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,140.18 : 147,850.77 = 59,393.38 : x
  2. Step 2: Convert to fraction form
    107,140.18/147,850.77 = 59,393.38/x
  3. Step 3: Cross multiply
    107,140.18x = 147,850.77 × 59,393.38
  4. Step 4: Simplify right side
    107,140.18x = 8,781,356,965.90
  5. Step 5: Solve for x
    x = 8,781,356,965.90/107,140.18
  6. Step 6: Final answer
    x = 81,961.38

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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.