Home / 456,294.20-684,506.10-156,788.60

Finding the Fourth Proportional to 456,294.20, 684,506.10 and 156,788.60

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Solution

The fourth proportional to 456,294.20, 684,506.10 and 156,788.60 is: 235,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,294.20 : 684,506.10 = 156,788.60 : x
  2. Step 2: Convert to fraction form
    456,294.20/684,506.10 = 156,788.60/x
  3. Step 3: Cross multiply
    456,294.20x = 684,506.10 × 156,788.60
  4. Step 4: Simplify right side
    456,294.20x = 107,322,753,110.46
  5. Step 5: Solve for x
    x = 107,322,753,110.46/456,294.20
  6. Step 6: Final answer
    x = 235,205.17

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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.