Home / 563,578.20-845,355.65-137,116.28

Finding the Fourth Proportional to 563,578.20, 845,355.65 and 137,116.28

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Solution

The fourth proportional to 563,578.20, 845,355.65 and 137,116.28 is: 205,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,578.20 : 845,355.65 = 137,116.28 : x
  2. Step 2: Convert to fraction form
    563,578.20/845,355.65 = 137,116.28/x
  3. Step 3: Cross multiply
    563,578.20x = 845,355.65 × 137,116.28
  4. Step 4: Simplify right side
    563,578.20x = 115,912,017,092.62
  5. Step 5: Solve for x
    x = 115,912,017,092.62/563,578.20
  6. Step 6: Final answer
    x = 205,671.58

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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.