Home / 543,624.01-815,372.67-144,295.81

Finding the Fourth Proportional to 543,624.01, 815,372.67 and 144,295.81

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Solution

The fourth proportional to 543,624.01, 815,372.67 and 144,295.81 is: 216,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,624.01 : 815,372.67 = 144,295.81 : x
  2. Step 2: Convert to fraction form
    543,624.01/815,372.67 = 144,295.81/x
  3. Step 3: Cross multiply
    543,624.01x = 815,372.67 × 144,295.81
  4. Step 4: Simplify right side
    543,624.01x = 117,654,859,148.03
  5. Step 5: Solve for x
    x = 117,654,859,148.03/543,624.01
  6. Step 6: Final answer
    x = 216,426.90

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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.