Home / 178,430.96-267,561.68-103,574.04

Finding the Fourth Proportional to 178,430.96, 267,561.68 and 103,574.04

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Solution

The fourth proportional to 178,430.96, 267,561.68 and 103,574.04 is: 155,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,430.96 : 267,561.68 = 103,574.04 : x
  2. Step 2: Convert to fraction form
    178,430.96/267,561.68 = 103,574.04/x
  3. Step 3: Cross multiply
    178,430.96x = 267,561.68 × 103,574.04
  4. Step 4: Simplify right side
    178,430.96x = 27,712,443,628.92
  5. Step 5: Solve for x
    x = 27,712,443,628.92/178,430.96
  6. Step 6: Final answer
    x = 155,311.86

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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.