Home / 220,681.04-304,538.44-120,079.44

Finding the Fourth Proportional to 220,681.04, 304,538.44 and 120,079.44

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Solution

The fourth proportional to 220,681.04, 304,538.44 and 120,079.44 is: 165,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,681.04 : 304,538.44 = 120,079.44 : x
  2. Step 2: Convert to fraction form
    220,681.04/304,538.44 = 120,079.44/x
  3. Step 3: Cross multiply
    220,681.04x = 304,538.44 × 120,079.44
  4. Step 4: Simplify right side
    220,681.04x = 36,568,805,333.67
  5. Step 5: Solve for x
    x = 36,568,805,333.67/220,681.04
  6. Step 6: Final answer
    x = 165,708.87

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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.