Home / 185,552.46-278,113.52-85,502.48

Finding the Fourth Proportional to 185,552.46, 278,113.52 and 85,502.48

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Solution

The fourth proportional to 185,552.46, 278,113.52 and 85,502.48 is: 128,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,552.46 : 278,113.52 = 85,502.48 : x
  2. Step 2: Convert to fraction form
    185,552.46/278,113.52 = 85,502.48/x
  3. Step 3: Cross multiply
    185,552.46x = 278,113.52 × 85,502.48
  4. Step 4: Simplify right side
    185,552.46x = 23,779,393,863.45
  5. Step 5: Solve for x
    x = 23,779,393,863.45/185,552.46
  6. Step 6: Final answer
    x = 128,154.56

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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.