Home / 284,002.03-391,903.41-156,679.75

Finding the Fourth Proportional to 284,002.03, 391,903.41 and 156,679.75

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Solution

The fourth proportional to 284,002.03, 391,903.41 and 156,679.75 is: 216,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,002.03 : 391,903.41 = 156,679.75 : x
  2. Step 2: Convert to fraction form
    284,002.03/391,903.41 = 156,679.75/x
  3. Step 3: Cross multiply
    284,002.03x = 391,903.41 × 156,679.75
  4. Step 4: Simplify right side
    284,002.03x = 61,403,328,302.95
  5. Step 5: Solve for x
    x = 61,403,328,302.95/284,002.03
  6. Step 6: Final answer
    x = 216,207.36

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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.