Home / 147,899.20-204,104.96-90,537.34

Finding the Fourth Proportional to 147,899.20, 204,104.96 and 90,537.34

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Solution

The fourth proportional to 147,899.20, 204,104.96 and 90,537.34 is: 124,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,899.20 : 204,104.96 = 90,537.34 : x
  2. Step 2: Convert to fraction form
    147,899.20/204,104.96 = 90,537.34/x
  3. Step 3: Cross multiply
    147,899.20x = 204,104.96 × 90,537.34
  4. Step 4: Simplify right side
    147,899.20x = 18,479,120,159.21
  5. Step 5: Solve for x
    x = 18,479,120,159.21/147,899.20
  6. Step 6: Final answer
    x = 124,944.02

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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.