Home / 238,790.22-329,445.78-148,052.40

Finding the Fourth Proportional to 238,790.22, 329,445.78 and 148,052.40

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Solution

The fourth proportional to 238,790.22, 329,445.78 and 148,052.40 is: 204,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,790.22 : 329,445.78 = 148,052.40 : x
  2. Step 2: Convert to fraction form
    238,790.22/329,445.78 = 148,052.40/x
  3. Step 3: Cross multiply
    238,790.22x = 329,445.78 × 148,052.40
  4. Step 4: Simplify right side
    238,790.22x = 48,775,238,398.87
  5. Step 5: Solve for x
    x = 48,775,238,398.87/238,790.22
  6. Step 6: Final answer
    x = 204,259.78

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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.