Home / 178,435.32-267,127.56-119,123.88

Finding the Fourth Proportional to 178,435.32, 267,127.56 and 119,123.88

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Solution

The fourth proportional to 178,435.32, 267,127.56 and 119,123.88 is: 178,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,435.32 : 267,127.56 = 119,123.88 : x
  2. Step 2: Convert to fraction form
    178,435.32/267,127.56 = 119,123.88/x
  3. Step 3: Cross multiply
    178,435.32x = 267,127.56 × 119,123.88
  4. Step 4: Simplify right side
    178,435.32x = 31,821,271,402.13
  5. Step 5: Solve for x
    x = 31,821,271,402.13/178,435.32
  6. Step 6: Final answer
    x = 178,335.05

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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.