Home / 112,595.72-155,203.44-88,684.52

Finding the Fourth Proportional to 112,595.72, 155,203.44 and 88,684.52

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Solution

The fourth proportional to 112,595.72, 155,203.44 and 88,684.52 is: 122,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,595.72 : 155,203.44 = 88,684.52 : x
  2. Step 2: Convert to fraction form
    112,595.72/155,203.44 = 88,684.52/x
  3. Step 3: Cross multiply
    112,595.72x = 155,203.44 × 88,684.52
  4. Step 4: Simplify right side
    112,595.72x = 13,764,142,578.75
  5. Step 5: Solve for x
    x = 13,764,142,578.75/112,595.72
  6. Step 6: Final answer
    x = 122,243.92

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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.