Home / 134,154.84-201,274.38-55,306.20

Finding the Fourth Proportional to 134,154.84, 201,274.38 and 55,306.20

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Solution

The fourth proportional to 134,154.84, 201,274.38 and 55,306.20 is: 82,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,154.84 : 201,274.38 = 55,306.20 : x
  2. Step 2: Convert to fraction form
    134,154.84/201,274.38 = 55,306.20/x
  3. Step 3: Cross multiply
    134,154.84x = 201,274.38 × 55,306.20
  4. Step 4: Simplify right side
    134,154.84x = 11,131,721,115.16
  5. Step 5: Solve for x
    x = 11,131,721,115.16/134,154.84
  6. Step 6: Final answer
    x = 82,976.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.