Home / 371,590.13-557,385.20-105,352.95

Finding the Fourth Proportional to 371,590.13, 557,385.20 and 105,352.95

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Solution

The fourth proportional to 371,590.13, 557,385.20 and 105,352.95 is: 158,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,590.13 : 557,385.20 = 105,352.95 : x
  2. Step 2: Convert to fraction form
    371,590.13/557,385.20 = 105,352.95/x
  3. Step 3: Cross multiply
    371,590.13x = 557,385.20 × 105,352.95
  4. Step 4: Simplify right side
    371,590.13x = 58,722,177,064.84
  5. Step 5: Solve for x
    x = 58,722,177,064.84/371,590.13
  6. Step 6: Final answer
    x = 158,029.43

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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.