Home / 119,232.80-178,682.86-89,615.96

Finding the Fourth Proportional to 119,232.80, 178,682.86 and 89,615.96

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Solution

The fourth proportional to 119,232.80, 178,682.86 and 89,615.96 is: 134,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232.80 : 178,682.86 = 89,615.96 : x
  2. Step 2: Convert to fraction form
    119,232.80/178,682.86 = 89,615.96/x
  3. Step 3: Cross multiply
    119,232.80x = 178,682.86 × 89,615.96
  4. Step 4: Simplify right side
    119,232.80x = 16,012,836,034.45
  5. Step 5: Solve for x
    x = 16,012,836,034.45/119,232.80
  6. Step 6: Final answer
    x = 134,298.92

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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.