Home / 170,261.31-234,971.22-93,780.39

Finding the Fourth Proportional to 170,261.31, 234,971.22 and 93,780.39

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Solution

The fourth proportional to 170,261.31, 234,971.22 and 93,780.39 is: 129,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,261.31 : 234,971.22 = 93,780.39 : x
  2. Step 2: Convert to fraction form
    170,261.31/234,971.22 = 93,780.39/x
  3. Step 3: Cross multiply
    170,261.31x = 234,971.22 × 93,780.39
  4. Step 4: Simplify right side
    170,261.31x = 22,035,692,650.38
  5. Step 5: Solve for x
    x = 22,035,692,650.38/170,261.31
  6. Step 6: Final answer
    x = 129,422.78

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1.5x scale

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.