Home / 376,470.23-564,771.15-123,680.57

Finding the Fourth Proportional to 376,470.23, 564,771.15 and 123,680.57

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Solution

The fourth proportional to 376,470.23, 564,771.15 and 123,680.57 is: 185,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,470.23 : 564,771.15 = 123,680.57 : x
  2. Step 2: Convert to fraction form
    376,470.23/564,771.15 = 123,680.57/x
  3. Step 3: Cross multiply
    376,470.23x = 564,771.15 × 123,680.57
  4. Step 4: Simplify right side
    376,470.23x = 69,851,214,927.70
  5. Step 5: Solve for x
    x = 69,851,214,927.70/376,470.23
  6. Step 6: Final answer
    x = 185,542.47

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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.