Home / 111,508.25-167,136.01-55,387.40

Finding the Fourth Proportional to 111,508.25, 167,136.01 and 55,387.40

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Solution

The fourth proportional to 111,508.25, 167,136.01 and 55,387.40 is: 83,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,508.25 : 167,136.01 = 55,387.40 : x
  2. Step 2: Convert to fraction form
    111,508.25/167,136.01 = 55,387.40/x
  3. Step 3: Cross multiply
    111,508.25x = 167,136.01 × 55,387.40
  4. Step 4: Simplify right side
    111,508.25x = 9,257,228,066.13
  5. Step 5: Solve for x
    x = 9,257,228,066.13/111,508.25
  6. Step 6: Final answer
    x = 83,018.33

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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.