Home / 209,233.41-288,773.69-127,609.04

Finding the Fourth Proportional to 209,233.41, 288,773.69 and 127,609.04

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Solution

The fourth proportional to 209,233.41, 288,773.69 and 127,609.04 is: 176,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,233.41 : 288,773.69 = 127,609.04 : x
  2. Step 2: Convert to fraction form
    209,233.41/288,773.69 = 127,609.04/x
  3. Step 3: Cross multiply
    209,233.41x = 288,773.69 × 127,609.04
  4. Step 4: Simplify right side
    209,233.41x = 36,850,131,276.24
  5. Step 5: Solve for x
    x = 36,850,131,276.24/209,233.41
  6. Step 6: Final answer
    x = 176,119.73

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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.