Home / 284,002.22-391,923.01-156,677.80

Finding the Fourth Proportional to 284,002.22, 391,923.01 and 156,677.80

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Solution

The fourth proportional to 284,002.22, 391,923.01 and 156,677.80 is: 216,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,002.22 : 391,923.01 = 156,677.80 : x
  2. Step 2: Convert to fraction form
    284,002.22/391,923.01 = 156,677.80/x
  3. Step 3: Cross multiply
    284,002.22x = 391,923.01 × 156,677.80
  4. Step 4: Simplify right side
    284,002.22x = 61,405,634,976.18
  5. Step 5: Solve for x
    x = 61,405,634,976.18/284,002.22
  6. Step 6: Final answer
    x = 216,215.33

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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.