Home / 220,497.16-304,279.86-135,600.52

Finding the Fourth Proportional to 220,497.16, 304,279.86 and 135,600.52

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Solution

The fourth proportional to 220,497.16, 304,279.86 and 135,600.52 is: 187,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,497.16 : 304,279.86 = 135,600.52 : x
  2. Step 2: Convert to fraction form
    220,497.16/304,279.86 = 135,600.52/x
  3. Step 3: Cross multiply
    220,497.16x = 304,279.86 × 135,600.52
  4. Step 4: Simplify right side
    220,497.16x = 41,260,507,241.53
  5. Step 5: Solve for x
    x = 41,260,507,241.53/220,497.16
  6. Step 6: Final answer
    x = 187,124.89

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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.