Home / 112,155.72-167,897.46-108,167.96

Finding the Fourth Proportional to 112,155.72, 167,897.46 and 108,167.96

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Solution

The fourth proportional to 112,155.72, 167,897.46 and 108,167.96 is: 161,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,155.72 : 167,897.46 = 108,167.96 : x
  2. Step 2: Convert to fraction form
    112,155.72/167,897.46 = 108,167.96/x
  3. Step 3: Cross multiply
    112,155.72x = 167,897.46 × 108,167.96
  4. Step 4: Simplify right side
    112,155.72x = 18,161,125,737.38
  5. Step 5: Solve for x
    x = 18,161,125,737.38/112,155.72
  6. Step 6: Final answer
    x = 161,927.77

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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.