Home / 112,297.28-168,593.55-103,013.46

Finding the Fourth Proportional to 112,297.28, 168,593.55 and 103,013.46

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Solution

The fourth proportional to 112,297.28, 168,593.55 and 103,013.46 is: 154,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,297.28 : 168,593.55 = 103,013.46 : x
  2. Step 2: Convert to fraction form
    112,297.28/168,593.55 = 103,013.46/x
  3. Step 3: Cross multiply
    112,297.28x = 168,593.55 × 103,013.46
  4. Step 4: Simplify right side
    112,297.28x = 17,367,404,919.18
  5. Step 5: Solve for x
    x = 17,367,404,919.18/112,297.28
  6. Step 6: Final answer
    x = 154,655.62

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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.