Home / 112,205.20-154,827.82-64,458.52

Finding the Fourth Proportional to 112,205.20, 154,827.82 and 64,458.52

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Solution

The fourth proportional to 112,205.20, 154,827.82 and 64,458.52 is: 88,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,205.20 : 154,827.82 = 64,458.52 : x
  2. Step 2: Convert to fraction form
    112,205.20/154,827.82 = 64,458.52/x
  3. Step 3: Cross multiply
    112,205.20x = 154,827.82 × 64,458.52
  4. Step 4: Simplify right side
    112,205.20x = 9,979,972,132.03
  5. Step 5: Solve for x
    x = 9,979,972,132.03/112,205.20
  6. Step 6: Final answer
    x = 88,943.94

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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.