Home / 178,401.31-267,077.05-119,089.87

Finding the Fourth Proportional to 178,401.31, 267,077.05 and 119,089.87

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Solution

The fourth proportional to 178,401.31, 267,077.05 and 119,089.87 is: 178,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,401.31 : 267,077.05 = 119,089.87 : x
  2. Step 2: Convert to fraction form
    178,401.31/267,077.05 = 119,089.87/x
  3. Step 3: Cross multiply
    178,401.31x = 267,077.05 × 119,089.87
  4. Step 4: Simplify right side
    178,401.31x = 31,806,170,199.07
  5. Step 5: Solve for x
    x = 31,806,170,199.07/178,401.31
  6. Step 6: Final answer
    x = 178,284.40

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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.