Home / 140,016.18-193,219.34-76,352.60

Finding the Fourth Proportional to 140,016.18, 193,219.34 and 76,352.60

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Solution

The fourth proportional to 140,016.18, 193,219.34 and 76,352.60 is: 105,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,016.18 : 193,219.34 = 76,352.60 : x
  2. Step 2: Convert to fraction form
    140,016.18/193,219.34 = 76,352.60/x
  3. Step 3: Cross multiply
    140,016.18x = 193,219.34 × 76,352.60
  4. Step 4: Simplify right side
    140,016.18x = 14,752,798,979.28
  5. Step 5: Solve for x
    x = 14,752,798,979.28/140,016.18
  6. Step 6: Final answer
    x = 105,364.96

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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.