Home / 351,469.10-527,430.45-193,810.70

Finding the Fourth Proportional to 351,469.10, 527,430.45 and 193,810.70

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Solution

The fourth proportional to 351,469.10, 527,430.45 and 193,810.70 is: 290,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,469.10 : 527,430.45 = 193,810.70 : x
  2. Step 2: Convert to fraction form
    351,469.10/527,430.45 = 193,810.70/x
  3. Step 3: Cross multiply
    351,469.10x = 527,430.45 × 193,810.70
  4. Step 4: Simplify right side
    351,469.10x = 102,221,664,715.82
  5. Step 5: Solve for x
    x = 102,221,664,715.82/351,469.10
  6. Step 6: Final answer
    x = 290,841.11

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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.