Home / 140,125.68-193,337.28-83,496.96

Finding the Fourth Proportional to 140,125.68, 193,337.28 and 83,496.96

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Solution

The fourth proportional to 140,125.68, 193,337.28 and 83,496.96 is: 115,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,125.68 : 193,337.28 = 83,496.96 : x
  2. Step 2: Convert to fraction form
    140,125.68/193,337.28 = 83,496.96/x
  3. Step 3: Cross multiply
    140,125.68x = 193,337.28 × 83,496.96
  4. Step 4: Simplify right side
    140,125.68x = 16,143,075,134.67
  5. Step 5: Solve for x
    x = 16,143,075,134.67/140,125.68
  6. Step 6: Final answer
    x = 115,204.26

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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.