Home / 119,432.91-178,890.94-56,158.22

Finding the Fourth Proportional to 119,432.91, 178,890.94 and 56,158.22

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Solution

The fourth proportional to 119,432.91, 178,890.94 and 56,158.22 is: 84,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,432.91 : 178,890.94 = 56,158.22 : x
  2. Step 2: Convert to fraction form
    119,432.91/178,890.94 = 56,158.22/x
  3. Step 3: Cross multiply
    119,432.91x = 178,890.94 × 56,158.22
  4. Step 4: Simplify right side
    119,432.91x = 10,046,196,764.53
  5. Step 5: Solve for x
    x = 10,046,196,764.53/119,432.91
  6. Step 6: Final answer
    x = 84,115.82

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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.