Home / 140,035.55-193,215.87-79,601.45

Finding the Fourth Proportional to 140,035.55, 193,215.87 and 79,601.45

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Solution

The fourth proportional to 140,035.55, 193,215.87 and 79,601.45 is: 109,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,035.55 : 193,215.87 = 79,601.45 : x
  2. Step 2: Convert to fraction form
    140,035.55/193,215.87 = 79,601.45/x
  3. Step 3: Cross multiply
    140,035.55x = 193,215.87 × 79,601.45
  4. Step 4: Simplify right side
    140,035.55x = 15,380,262,448.93
  5. Step 5: Solve for x
    x = 15,380,262,448.93/140,035.55
  6. Step 6: Final answer
    x = 109,831.13

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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.