Home / 140,277.18-193,520.84-83,655.75

Finding the Fourth Proportional to 140,277.18, 193,520.84 and 83,655.75

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Solution

The fourth proportional to 140,277.18, 193,520.84 and 83,655.75 is: 115,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,277.18 : 193,520.84 = 83,655.75 : x
  2. Step 2: Convert to fraction form
    140,277.18/193,520.84 = 83,655.75/x
  3. Step 3: Cross multiply
    140,277.18x = 193,520.84 × 83,655.75
  4. Step 4: Simplify right side
    140,277.18x = 16,189,130,592.55
  5. Step 5: Solve for x
    x = 16,189,130,592.55/140,277.18
  6. Step 6: Final answer
    x = 115,408.16

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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.