Home / 156,350.28-234,569.16-51,243.04

Finding the Fourth Proportional to 156,350.28, 234,569.16 and 51,243.04

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Solution

The fourth proportional to 156,350.28, 234,569.16 and 51,243.04 is: 76,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,350.28 : 234,569.16 = 51,243.04 : x
  2. Step 2: Convert to fraction form
    156,350.28/234,569.16 = 51,243.04/x
  3. Step 3: Cross multiply
    156,350.28x = 234,569.16 × 51,243.04
  4. Step 4: Simplify right side
    156,350.28x = 12,020,036,848.65
  5. Step 5: Solve for x
    x = 12,020,036,848.65/156,350.28
  6. Step 6: Final answer
    x = 76,878.90

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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.