Home / 209,073.60-288,546.30-124,191

Finding the Fourth Proportional to 209,073.60, 288,546.30 and 124,191

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Solution

The fourth proportional to 209,073.60, 288,546.30 and 124,191 is: 171,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,073.60 : 288,546.30 = 124,191 : x
  2. Step 2: Convert to fraction form
    209,073.60/288,546.30 = 124,191/x
  3. Step 3: Cross multiply
    209,073.60x = 288,546.30 × 124,191
  4. Step 4: Simplify right side
    209,073.60x = 35,834,853,543.30
  5. Step 5: Solve for x
    x = 35,834,853,543.30/209,073.60
  6. Step 6: Final answer
    x = 171,398.27

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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.