Home / 283,776.32-391,614.04-156,456.48

Finding the Fourth Proportional to 283,776.32, 391,614.04 and 156,456.48

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Solution

The fourth proportional to 283,776.32, 391,614.04 and 156,456.48 is: 215,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,776.32 : 391,614.04 = 156,456.48 : x
  2. Step 2: Convert to fraction form
    283,776.32/391,614.04 = 156,456.48/x
  3. Step 3: Cross multiply
    283,776.32x = 391,614.04 × 156,456.48
  4. Step 4: Simplify right side
    283,776.32x = 61,270,554,216.98
  5. Step 5: Solve for x
    x = 61,270,554,216.98/283,776.32
  6. Step 6: Final answer
    x = 215,911.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.