Home / 209,083.29-288,534.18-113,589.15

Finding the Fourth Proportional to 209,083.29, 288,534.18 and 113,589.15

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Solution

The fourth proportional to 209,083.29, 288,534.18 and 113,589.15 is: 156,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,083.29 : 288,534.18 = 113,589.15 : x
  2. Step 2: Convert to fraction form
    209,083.29/288,534.18 = 113,589.15/x
  3. Step 3: Cross multiply
    209,083.29x = 288,534.18 × 113,589.15
  4. Step 4: Simplify right side
    209,083.29x = 32,774,352,252.15
  5. Step 5: Solve for x
    x = 32,774,352,252.15/209,083.29
  6. Step 6: Final answer
    x = 156,752.61

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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.