Home / 111,701.10-167,551.65-92,001.90

Finding the Fourth Proportional to 111,701.10, 167,551.65 and 92,001.90

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Solution

The fourth proportional to 111,701.10, 167,551.65 and 92,001.90 is: 138,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,701.10 : 167,551.65 = 92,001.90 : x
  2. Step 2: Convert to fraction form
    111,701.10/167,551.65 = 92,001.90/x
  3. Step 3: Cross multiply
    111,701.10x = 167,551.65 × 92,001.90
  4. Step 4: Simplify right side
    111,701.10x = 15,415,070,148.14
  5. Step 5: Solve for x
    x = 15,415,070,148.14/111,701.10
  6. Step 6: Final answer
    x = 138,002.85

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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.