Home / 102,199.22-153,292.64-38,144.96

Finding the Fourth Proportional to 102,199.22, 153,292.64 and 38,144.96

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Solution

The fourth proportional to 102,199.22, 153,292.64 and 38,144.96 is: 57,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,199.22 : 153,292.64 = 38,144.96 : x
  2. Step 2: Convert to fraction form
    102,199.22/153,292.64 = 38,144.96/x
  3. Step 3: Cross multiply
    102,199.22x = 153,292.64 × 38,144.96
  4. Step 4: Simplify right side
    102,199.22x = 5,847,341,238.75
  5. Step 5: Solve for x
    x = 5,847,341,238.75/102,199.22
  6. Step 6: Final answer
    x = 57,215.13

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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.