Home / 140,895.18-194,440.05-77,233.14

Finding the Fourth Proportional to 140,895.18, 194,440.05 and 77,233.14

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Solution

The fourth proportional to 140,895.18, 194,440.05 and 77,233.14 is: 106,584.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,895.18 : 194,440.05 = 77,233.14 : x
  2. Step 2: Convert to fraction form
    140,895.18/194,440.05 = 77,233.14/x
  3. Step 3: Cross multiply
    140,895.18x = 194,440.05 × 77,233.14
  4. Step 4: Simplify right side
    140,895.18x = 15,017,215,603.26
  5. Step 5: Solve for x
    x = 15,017,215,603.26/140,895.18
  6. Step 6: Final answer
    x = 106,584.31

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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.