Home / 113,693.18-170,658.05-83,741.24

Finding the Fourth Proportional to 113,693.18, 170,658.05 and 83,741.24

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Solution

The fourth proportional to 113,693.18, 170,658.05 and 83,741.24 is: 125,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,693.18 : 170,658.05 = 83,741.24 : x
  2. Step 2: Convert to fraction form
    113,693.18/170,658.05 = 83,741.24/x
  3. Step 3: Cross multiply
    113,693.18x = 170,658.05 × 83,741.24
  4. Step 4: Simplify right side
    113,693.18x = 14,291,115,869.69
  5. Step 5: Solve for x
    x = 14,291,115,869.69/113,693.18
  6. Step 6: Final answer
    x = 125,698.97

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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.