Home / 110,354.49-152,278.66-61,945.33

Finding the Fourth Proportional to 110,354.49, 152,278.66 and 61,945.33

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Solution

The fourth proportional to 110,354.49, 152,278.66 and 61,945.33 is: 85,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,354.49 : 152,278.66 = 61,945.33 : x
  2. Step 2: Convert to fraction form
    110,354.49/152,278.66 = 61,945.33/x
  3. Step 3: Cross multiply
    110,354.49x = 152,278.66 × 61,945.33
  4. Step 4: Simplify right side
    110,354.49x = 9,432,951,310.10
  5. Step 5: Solve for x
    x = 9,432,951,310.10/110,354.49
  6. Step 6: Final answer
    x = 85,478.64

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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.