Home / 140,510.70-193,907.61-76,852.59

Finding the Fourth Proportional to 140,510.70, 193,907.61 and 76,852.59

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Solution

The fourth proportional to 140,510.70, 193,907.61 and 76,852.59 is: 106,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,510.70 : 193,907.61 = 76,852.59 : x
  2. Step 2: Convert to fraction form
    140,510.70/193,907.61 = 76,852.59/x
  3. Step 3: Cross multiply
    140,510.70x = 193,907.61 × 76,852.59
  4. Step 4: Simplify right side
    140,510.70x = 14,902,302,049.21
  5. Step 5: Solve for x
    x = 14,902,302,049.21/140,510.70
  6. Step 6: Final answer
    x = 106,058.13

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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.