Home / 92,195.33-138,313.80-28,159.21

Finding the Fourth Proportional to 92,195.33, 138,313.80 and 28,159.21

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Solution

The fourth proportional to 92,195.33, 138,313.80 and 28,159.21 is: 42,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,195.33 : 138,313.80 = 28,159.21 : x
  2. Step 2: Convert to fraction form
    92,195.33/138,313.80 = 28,159.21/x
  3. Step 3: Cross multiply
    92,195.33x = 138,313.80 × 28,159.21
  4. Step 4: Simplify right side
    92,195.33x = 3,894,806,994.31
  5. Step 5: Solve for x
    x = 3,894,806,994.31/92,195.33
  6. Step 6: Final answer
    x = 42,245.16

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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.