Home / 209,037.53-288,470.52-113,543.39

Finding the Fourth Proportional to 209,037.53, 288,470.52 and 113,543.39

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Solution

The fourth proportional to 209,037.53, 288,470.52 and 113,543.39 is: 156,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,037.53 : 288,470.52 = 113,543.39 : x
  2. Step 2: Convert to fraction form
    209,037.53/288,470.52 = 113,543.39/x
  3. Step 3: Cross multiply
    209,037.53x = 288,470.52 × 113,543.39
  4. Step 4: Simplify right side
    209,037.53x = 32,753,921,477.04
  5. Step 5: Solve for x
    x = 32,753,921,477.04/209,037.53
  6. Step 6: Final answer
    x = 156,689.19

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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.