Home / 178,429.32-267,118.56-119,117.88

Finding the Fourth Proportional to 178,429.32, 267,118.56 and 119,117.88

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Solution

The fourth proportional to 178,429.32, 267,118.56 and 119,117.88 is: 178,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,429.32 : 267,118.56 = 119,117.88 : x
  2. Step 2: Convert to fraction form
    178,429.32/267,118.56 = 119,117.88/x
  3. Step 3: Cross multiply
    178,429.32x = 267,118.56 × 119,117.88
  4. Step 4: Simplify right side
    178,429.32x = 31,818,596,575.85
  5. Step 5: Solve for x
    x = 31,818,596,575.85/178,429.32
  6. Step 6: Final answer
    x = 178,326.05

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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.