Home / 331,637.31-497,428.18-118,562.69

Finding the Fourth Proportional to 331,637.31, 497,428.18 and 118,562.69

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Solution

The fourth proportional to 331,637.31, 497,428.18 and 118,562.69 is: 177,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,637.31 : 497,428.18 = 118,562.69 : x
  2. Step 2: Convert to fraction form
    331,637.31/497,428.18 = 118,562.69/x
  3. Step 3: Cross multiply
    331,637.31x = 497,428.18 × 118,562.69
  4. Step 4: Simplify right side
    331,637.31x = 58,976,423,102.60
  5. Step 5: Solve for x
    x = 58,976,423,102.60/331,637.31
  6. Step 6: Final answer
    x = 177,834.10

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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.