Home / 140,192.16-193,462.66-79,761.50

Finding the Fourth Proportional to 140,192.16, 193,462.66 and 79,761.50

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Solution

The fourth proportional to 140,192.16, 193,462.66 and 79,761.50 is: 110,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,192.16 : 193,462.66 = 79,761.50 : x
  2. Step 2: Convert to fraction form
    140,192.16/193,462.66 = 79,761.50/x
  3. Step 3: Cross multiply
    140,192.16x = 193,462.66 × 79,761.50
  4. Step 4: Simplify right side
    140,192.16x = 15,430,871,955.59
  5. Step 5: Solve for x
    x = 15,430,871,955.59/140,192.16
  6. Step 6: Final answer
    x = 110,069.44

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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.