Home / 220,611.24-304,440.66-120,009.24

Finding the Fourth Proportional to 220,611.24, 304,440.66 and 120,009.24

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Solution

The fourth proportional to 220,611.24, 304,440.66 and 120,009.24 is: 165,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,611.24 : 304,440.66 = 120,009.24 : x
  2. Step 2: Convert to fraction form
    220,611.24/304,440.66 = 120,009.24/x
  3. Step 3: Cross multiply
    220,611.24x = 304,440.66 × 120,009.24
  4. Step 4: Simplify right side
    220,611.24x = 36,535,692,231.70
  5. Step 5: Solve for x
    x = 36,535,692,231.70/220,611.24
  6. Step 6: Final answer
    x = 165,611.20

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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.