Home / 209,045.46-288,485.19-113,553.66

Finding the Fourth Proportional to 209,045.46, 288,485.19 and 113,553.66

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Solution

The fourth proportional to 209,045.46, 288,485.19 and 113,553.66 is: 156,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,045.46 : 288,485.19 = 113,553.66 : x
  2. Step 2: Convert to fraction form
    209,045.46/288,485.19 = 113,553.66/x
  3. Step 3: Cross multiply
    209,045.46x = 288,485.19 × 113,553.66
  4. Step 4: Simplify right side
    209,045.46x = 32,758,549,180.30
  5. Step 5: Solve for x
    x = 32,758,549,180.30/209,045.46
  6. Step 6: Final answer
    x = 156,705.38

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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.