Home / 117,724.40-176,845.80-82,732.40

Finding the Fourth Proportional to 117,724.40, 176,845.80 and 82,732.40

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Solution

The fourth proportional to 117,724.40, 176,845.80 and 82,732.40 is: 124,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,724.40 : 176,845.80 = 82,732.40 : x
  2. Step 2: Convert to fraction form
    117,724.40/176,845.80 = 82,732.40/x
  3. Step 3: Cross multiply
    117,724.40x = 176,845.80 × 82,732.40
  4. Step 4: Simplify right side
    117,724.40x = 14,630,877,463.92
  5. Step 5: Solve for x
    x = 14,630,877,463.92/117,724.40
  6. Step 6: Final answer
    x = 124,280.76

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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.