Home / 209,041.64-288,472.68-113,546.24

Finding the Fourth Proportional to 209,041.64, 288,472.68 and 113,546.24

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Solution

The fourth proportional to 209,041.64, 288,472.68 and 113,546.24 is: 156,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,041.64 : 288,472.68 = 113,546.24 : x
  2. Step 2: Convert to fraction form
    209,041.64/288,472.68 = 113,546.24/x
  3. Step 3: Cross multiply
    209,041.64x = 288,472.68 × 113,546.24
  4. Step 4: Simplify right side
    209,041.64x = 32,754,988,156.72
  5. Step 5: Solve for x
    x = 32,754,988,156.72/209,041.64
  6. Step 6: Final answer
    x = 156,691.21

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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.