Home / 220,620.04-304,458.18-165,331.56

Finding the Fourth Proportional to 220,620.04, 304,458.18 and 165,331.56

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Solution

The fourth proportional to 220,620.04, 304,458.18 and 165,331.56 is: 228,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,620.04 : 304,458.18 = 165,331.56 : x
  2. Step 2: Convert to fraction form
    220,620.04/304,458.18 = 165,331.56/x
  3. Step 3: Cross multiply
    220,620.04x = 304,458.18 × 165,331.56
  4. Step 4: Simplify right side
    220,620.04x = 50,336,545,854.16
  5. Step 5: Solve for x
    x = 50,336,545,854.16/220,620.04
  6. Step 6: Final answer
    x = 228,159.44

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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.