Home / 119,095.92-178,381.44-66,374.64

Finding the Fourth Proportional to 119,095.92, 178,381.44 and 66,374.64

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Solution

The fourth proportional to 119,095.92, 178,381.44 and 66,374.64 is: 99,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,095.92 : 178,381.44 = 66,374.64 : x
  2. Step 2: Convert to fraction form
    119,095.92/178,381.44 = 66,374.64/x
  3. Step 3: Cross multiply
    119,095.92x = 178,381.44 × 66,374.64
  4. Step 4: Simplify right side
    119,095.92x = 11,840,003,862.68
  5. Step 5: Solve for x
    x = 11,840,003,862.68/119,095.92
  6. Step 6: Final answer
    x = 99,415.70

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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.