Home / 112,217.80-154,795.26-71,917.24

Finding the Fourth Proportional to 112,217.80, 154,795.26 and 71,917.24

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Solution

The fourth proportional to 112,217.80, 154,795.26 and 71,917.24 is: 99,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,217.80 : 154,795.26 = 71,917.24 : x
  2. Step 2: Convert to fraction form
    112,217.80/154,795.26 = 71,917.24/x
  3. Step 3: Cross multiply
    112,217.80x = 154,795.26 × 71,917.24
  4. Step 4: Simplify right side
    112,217.80x = 11,132,447,864.28
  5. Step 5: Solve for x
    x = 11,132,447,864.28/112,217.80
  6. Step 6: Final answer
    x = 99,203.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.