Home / 98,222.80-147,307.24-27,128.44

Finding the Fourth Proportional to 98,222.80, 147,307.24 and 27,128.44

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Solution

The fourth proportional to 98,222.80, 147,307.24 and 27,128.44 is: 40,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,222.80 : 147,307.24 = 27,128.44 : x
  2. Step 2: Convert to fraction form
    98,222.80/147,307.24 = 27,128.44/x
  3. Step 3: Cross multiply
    98,222.80x = 147,307.24 × 27,128.44
  4. Step 4: Simplify right side
    98,222.80x = 3,996,215,621.91
  5. Step 5: Solve for x
    x = 3,996,215,621.91/98,222.80
  6. Step 6: Final answer
    x = 40,685.21

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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.