Home / 178,666.27-267,958.48-106,639.50

Finding the Fourth Proportional to 178,666.27, 267,958.48 and 106,639.50

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Solution

The fourth proportional to 178,666.27, 267,958.48 and 106,639.50 is: 159,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,666.27 : 267,958.48 = 106,639.50 : x
  2. Step 2: Convert to fraction form
    178,666.27/267,958.48 = 106,639.50/x
  3. Step 3: Cross multiply
    178,666.27x = 267,958.48 × 106,639.50
  4. Step 4: Simplify right side
    178,666.27x = 28,574,958,327.96
  5. Step 5: Solve for x
    x = 28,574,958,327.96/178,666.27
  6. Step 6: Final answer
    x = 159,934.82

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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.