Home / 220,521.32-304,426.36-147,897.66

Finding the Fourth Proportional to 220,521.32, 304,426.36 and 147,897.66

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Solution

The fourth proportional to 220,521.32, 304,426.36 and 147,897.66 is: 204,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,521.32 : 304,426.36 = 147,897.66 : x
  2. Step 2: Convert to fraction form
    220,521.32/304,426.36 = 147,897.66/x
  3. Step 3: Cross multiply
    220,521.32x = 304,426.36 × 147,897.66
  4. Step 4: Simplify right side
    220,521.32x = 45,023,946,286.32
  5. Step 5: Solve for x
    x = 45,023,946,286.32/220,521.32
  6. Step 6: Final answer
    x = 204,170.49

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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.