Home / 107,739.96-161,606.78-28,854.16

Finding the Fourth Proportional to 107,739.96, 161,606.78 and 28,854.16

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Solution

The fourth proportional to 107,739.96, 161,606.78 and 28,854.16 is: 43,280.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.96 : 161,606.78 = 28,854.16 : x
  2. Step 2: Convert to fraction form
    107,739.96/161,606.78 = 28,854.16/x
  3. Step 3: Cross multiply
    107,739.96x = 161,606.78 × 28,854.16
  4. Step 4: Simplify right side
    107,739.96x = 4,663,027,447.12
  5. Step 5: Solve for x
    x = 4,663,027,447.12/107,739.96
  6. Step 6: Final answer
    x = 43,280.39

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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.