Home / 98,117.82-147,178.11-27,997.13

Finding the Fourth Proportional to 98,117.82, 147,178.11 and 27,997.13

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Solution

The fourth proportional to 98,117.82, 147,178.11 and 27,997.13 is: 41,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,117.82 : 147,178.11 = 27,997.13 : x
  2. Step 2: Convert to fraction form
    98,117.82/147,178.11 = 27,997.13/x
  3. Step 3: Cross multiply
    98,117.82x = 147,178.11 × 27,997.13
  4. Step 4: Simplify right side
    98,117.82x = 4,120,563,942.93
  5. Step 5: Solve for x
    x = 4,120,563,942.93/98,117.82
  6. Step 6: Final answer
    x = 41,996.08

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1.5x scale

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.