Home / 119,073.16-178,611.12-30,326.56

Finding the Fourth Proportional to 119,073.16, 178,611.12 and 30,326.56

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Solution

The fourth proportional to 119,073.16, 178,611.12 and 30,326.56 is: 45,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,073.16 : 178,611.12 = 30,326.56 : x
  2. Step 2: Convert to fraction form
    119,073.16/178,611.12 = 30,326.56/x
  3. Step 3: Cross multiply
    119,073.16x = 178,611.12 × 30,326.56
  4. Step 4: Simplify right side
    119,073.16x = 5,416,660,847.35
  5. Step 5: Solve for x
    x = 5,416,660,847.35/119,073.16
  6. Step 6: Final answer
    x = 45,490.19

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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.