Home / 614,821.20-922,154.04-194,139.60

Finding the Fourth Proportional to 614,821.20, 922,154.04 and 194,139.60

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Solution

The fourth proportional to 614,821.20, 922,154.04 and 194,139.60 is: 291,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,821.20 : 922,154.04 = 194,139.60 : x
  2. Step 2: Convert to fraction form
    614,821.20/922,154.04 = 194,139.60/x
  3. Step 3: Cross multiply
    614,821.20x = 922,154.04 × 194,139.60
  4. Step 4: Simplify right side
    614,821.20x = 179,026,616,463.98
  5. Step 5: Solve for x
    x = 179,026,616,463.98/614,821.20
  6. Step 6: Final answer
    x = 291,184.85

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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.