Home / 115,194.96-158,917.55-67,427.24

Finding the Fourth Proportional to 115,194.96, 158,917.55 and 67,427.24

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Solution

The fourth proportional to 115,194.96, 158,917.55 and 67,427.24 is: 93,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,194.96 : 158,917.55 = 67,427.24 : x
  2. Step 2: Convert to fraction form
    115,194.96/158,917.55 = 67,427.24/x
  3. Step 3: Cross multiply
    115,194.96x = 158,917.55 × 67,427.24
  4. Step 4: Simplify right side
    115,194.96x = 10,715,370,652.34
  5. Step 5: Solve for x
    x = 10,715,370,652.34/115,194.96
  6. Step 6: Final answer
    x = 93,019.44

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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.