Home / 144,174.67-216,370.24-54,306.05

Finding the Fourth Proportional to 144,174.67, 216,370.24 and 54,306.05

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Solution

The fourth proportional to 144,174.67, 216,370.24 and 54,306.05 is: 81,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,174.67 : 216,370.24 = 54,306.05 : x
  2. Step 2: Convert to fraction form
    144,174.67/216,370.24 = 54,306.05/x
  3. Step 3: Cross multiply
    144,174.67x = 216,370.24 × 54,306.05
  4. Step 4: Simplify right side
    144,174.67x = 11,750,211,854.34
  5. Step 5: Solve for x
    x = 11,750,211,854.34/144,174.67
  6. Step 6: Final answer
    x = 81,499.84

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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.