Home / 193,354.04-289,918.65-129,385.28

Finding the Fourth Proportional to 193,354.04, 289,918.65 and 129,385.28

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Solution

The fourth proportional to 193,354.04, 289,918.65 and 129,385.28 is: 194,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,354.04 : 289,918.65 = 129,385.28 : x
  2. Step 2: Convert to fraction form
    193,354.04/289,918.65 = 129,385.28/x
  3. Step 3: Cross multiply
    193,354.04x = 289,918.65 × 129,385.28
  4. Step 4: Simplify right side
    193,354.04x = 37,511,205,707.47
  5. Step 5: Solve for x
    x = 37,511,205,707.47/193,354.04
  6. Step 6: Final answer
    x = 194,002.70

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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.