Home / 209,189.42-288,705.84-124,306.46

Finding the Fourth Proportional to 209,189.42, 288,705.84 and 124,306.46

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Solution

The fourth proportional to 209,189.42, 288,705.84 and 124,306.46 is: 171,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,189.42 : 288,705.84 = 124,306.46 : x
  2. Step 2: Convert to fraction form
    209,189.42/288,705.84 = 124,306.46/x
  3. Step 3: Cross multiply
    209,189.42x = 288,705.84 × 124,306.46
  4. Step 4: Simplify right side
    209,189.42x = 35,888,000,951.73
  5. Step 5: Solve for x
    x = 35,888,000,951.73/209,189.42
  6. Step 6: Final answer
    x = 171,557.44

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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.