Home / 140,245.11-193,552.25-83,656.48

Finding the Fourth Proportional to 140,245.11, 193,552.25 and 83,656.48

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Solution

The fourth proportional to 140,245.11, 193,552.25 and 83,656.48 is: 115,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,245.11 : 193,552.25 = 83,656.48 : x
  2. Step 2: Convert to fraction form
    140,245.11/193,552.25 = 83,656.48/x
  3. Step 3: Cross multiply
    140,245.11x = 193,552.25 × 83,656.48
  4. Step 4: Simplify right side
    140,245.11x = 16,191,899,931.08
  5. Step 5: Solve for x
    x = 16,191,899,931.08/140,245.11
  6. Step 6: Final answer
    x = 115,454.29

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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.