Home / 209,127.07-288,597.18-113,633.76

Finding the Fourth Proportional to 209,127.07, 288,597.18 and 113,633.76

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Solution

The fourth proportional to 209,127.07, 288,597.18 and 113,633.76 is: 156,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,127.07 : 288,597.18 = 113,633.76 : x
  2. Step 2: Convert to fraction form
    209,127.07/288,597.18 = 113,633.76/x
  3. Step 3: Cross multiply
    209,127.07x = 288,597.18 × 113,633.76
  4. Step 4: Simplify right side
    209,127.07x = 32,794,384,337.15
  5. Step 5: Solve for x
    x = 32,794,384,337.15/209,127.07
  6. Step 6: Final answer
    x = 156,815.59

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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.