Home / 107,140.03-147,843.28-59,389.31

Finding the Fourth Proportional to 107,140.03, 147,843.28 and 59,389.31

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Solution

The fourth proportional to 107,140.03, 147,843.28 and 59,389.31 is: 81,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,140.03 : 147,843.28 = 59,389.31 : x
  2. Step 2: Convert to fraction form
    107,140.03/147,843.28 = 59,389.31/x
  3. Step 3: Cross multiply
    107,140.03x = 147,843.28 × 59,389.31
  4. Step 4: Simplify right side
    107,140.03x = 8,780,310,387.34
  5. Step 5: Solve for x
    x = 8,780,310,387.34/107,140.03
  6. Step 6: Final answer
    x = 81,951.73

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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.