Home / 112,595.22-155,202.75-88,684.02

Finding the Fourth Proportional to 112,595.22, 155,202.75 and 88,684.02

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Solution

The fourth proportional to 112,595.22, 155,202.75 and 88,684.02 is: 122,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,595.22 : 155,202.75 = 88,684.02 : x
  2. Step 2: Convert to fraction form
    112,595.22/155,202.75 = 88,684.02/x
  3. Step 3: Cross multiply
    112,595.22x = 155,202.75 × 88,684.02
  4. Step 4: Simplify right side
    112,595.22x = 13,764,003,785.06
  5. Step 5: Solve for x
    x = 13,764,003,785.06/112,595.22
  6. Step 6: Final answer
    x = 122,243.23

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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.