Home / 285,760.92-428,341.27-96,155.46

Finding the Fourth Proportional to 285,760.92, 428,341.27 and 96,155.46

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Solution

The fourth proportional to 285,760.92, 428,341.27 and 96,155.46 is: 144,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,760.92 : 428,341.27 = 96,155.46 : x
  2. Step 2: Convert to fraction form
    285,760.92/428,341.27 = 96,155.46/x
  3. Step 3: Cross multiply
    285,760.92x = 428,341.27 × 96,155.46
  4. Step 4: Simplify right side
    285,760.92x = 41,187,351,853.83
  5. Step 5: Solve for x
    x = 41,187,351,853.83/285,760.92
  6. Step 6: Final answer
    x = 144,132.21

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1.5x scale

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.