Home / 140,250.11-193,559.15-83,661.48

Finding the Fourth Proportional to 140,250.11, 193,559.15 and 83,661.48

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Solution

The fourth proportional to 140,250.11, 193,559.15 and 83,661.48 is: 115,461.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,250.11 : 193,559.15 = 83,661.48 : x
  2. Step 2: Convert to fraction form
    140,250.11/193,559.15 = 83,661.48/x
  3. Step 3: Cross multiply
    140,250.11x = 193,559.15 × 83,661.48
  4. Step 4: Simplify right side
    140,250.11x = 16,193,444,538.23
  5. Step 5: Solve for x
    x = 16,193,444,538.23/140,250.11
  6. Step 6: Final answer
    x = 115,461.19

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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.