Home / 209,018.28-288,447.30-113,525.96

Finding the Fourth Proportional to 209,018.28, 288,447.30 and 113,525.96

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Solution

The fourth proportional to 209,018.28, 288,447.30 and 113,525.96 is: 156,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,018.28 : 288,447.30 = 113,525.96 : x
  2. Step 2: Convert to fraction form
    209,018.28/288,447.30 = 113,525.96/x
  3. Step 3: Cross multiply
    209,018.28x = 288,447.30 × 113,525.96
  4. Step 4: Simplify right side
    209,018.28x = 32,746,256,641.91
  5. Step 5: Solve for x
    x = 32,746,256,641.91/209,018.28
  6. Step 6: Final answer
    x = 156,666.95

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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.