Home / 107,142.12-160,700.84-43,097.86

Finding the Fourth Proportional to 107,142.12, 160,700.84 and 43,097.86

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Solution

The fourth proportional to 107,142.12, 160,700.84 and 43,097.86 is: 64,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,142.12 : 160,700.84 = 43,097.86 : x
  2. Step 2: Convert to fraction form
    107,142.12/160,700.84 = 43,097.86/x
  3. Step 3: Cross multiply
    107,142.12x = 160,700.84 × 43,097.86
  4. Step 4: Simplify right side
    107,142.12x = 6,925,862,304.20
  5. Step 5: Solve for x
    x = 6,925,862,304.20/107,142.12
  6. Step 6: Final answer
    x = 64,641.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.