Home / 456,176.20-684,264.30-119,216.20

Finding the Fourth Proportional to 456,176.20, 684,264.30 and 119,216.20

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Solution

The fourth proportional to 456,176.20, 684,264.30 and 119,216.20 is: 178,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,176.20 : 684,264.30 = 119,216.20 : x
  2. Step 2: Convert to fraction form
    456,176.20/684,264.30 = 119,216.20/x
  3. Step 3: Cross multiply
    456,176.20x = 684,264.30 × 119,216.20
  4. Step 4: Simplify right side
    456,176.20x = 81,575,389,641.66
  5. Step 5: Solve for x
    x = 81,575,389,641.66/456,176.20
  6. Step 6: Final answer
    x = 178,824.30

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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.