Home / 331,488.90-497,270.07-118,306.53

Finding the Fourth Proportional to 331,488.90, 497,270.07 and 118,306.53

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Solution

The fourth proportional to 331,488.90, 497,270.07 and 118,306.53 is: 177,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,488.90 : 497,270.07 = 118,306.53 : x
  2. Step 2: Convert to fraction form
    331,488.90/497,270.07 = 118,306.53/x
  3. Step 3: Cross multiply
    331,488.90x = 497,270.07 × 118,306.53
  4. Step 4: Simplify right side
    331,488.90x = 58,830,296,454.56
  5. Step 5: Solve for x
    x = 58,830,296,454.56/331,488.90
  6. Step 6: Final answer
    x = 177,472.90

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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.