Home / 107,899.60-161,887.80-104,059.60

Finding the Fourth Proportional to 107,899.60, 161,887.80 and 104,059.60

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Solution

The fourth proportional to 107,899.60, 161,887.80 and 104,059.60 is: 156,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,899.60 : 161,887.80 = 104,059.60 : x
  2. Step 2: Convert to fraction form
    107,899.60/161,887.80 = 104,059.60/x
  3. Step 3: Cross multiply
    107,899.60x = 161,887.80 × 104,059.60
  4. Step 4: Simplify right side
    107,899.60x = 16,845,979,712.88
  5. Step 5: Solve for x
    x = 16,845,979,712.88/107,899.60
  6. Step 6: Final answer
    x = 156,126.43

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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.