Home / 107,555.52-161,320.80-28,676.16

Finding the Fourth Proportional to 107,555.52, 161,320.80 and 28,676.16

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Solution

The fourth proportional to 107,555.52, 161,320.80 and 28,676.16 is: 43,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,555.52 : 161,320.80 = 28,676.16 : x
  2. Step 2: Convert to fraction form
    107,555.52/161,320.80 = 28,676.16/x
  3. Step 3: Cross multiply
    107,555.52x = 161,320.80 × 28,676.16
  4. Step 4: Simplify right side
    107,555.52x = 4,626,061,072.13
  5. Step 5: Solve for x
    x = 4,626,061,072.13/107,555.52
  6. Step 6: Final answer
    x = 43,010.91

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1.5x scale

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.