Home / 209,248.48-288,768.56-113,761.72

Finding the Fourth Proportional to 209,248.48, 288,768.56 and 113,761.72

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Solution

The fourth proportional to 209,248.48, 288,768.56 and 113,761.72 is: 156,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,248.48 : 288,768.56 = 113,761.72 : x
  2. Step 2: Convert to fraction form
    209,248.48/288,768.56 = 113,761.72/x
  3. Step 3: Cross multiply
    209,248.48x = 288,768.56 × 113,761.72
  4. Step 4: Simplify right side
    209,248.48x = 32,850,808,067.52
  5. Step 5: Solve for x
    x = 32,850,808,067.52/209,248.48
  6. Step 6: Final answer
    x = 156,994.25

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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.