Home / 127,684.82-191,510.05-52,794.65

Finding the Fourth Proportional to 127,684.82, 191,510.05 and 52,794.65

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Solution

The fourth proportional to 127,684.82, 191,510.05 and 52,794.65 is: 79,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,684.82 : 191,510.05 = 52,794.65 : x
  2. Step 2: Convert to fraction form
    127,684.82/191,510.05 = 52,794.65/x
  3. Step 3: Cross multiply
    127,684.82x = 191,510.05 × 52,794.65
  4. Step 4: Simplify right side
    127,684.82x = 10,110,706,061.23
  5. Step 5: Solve for x
    x = 10,110,706,061.23/127,684.82
  6. Step 6: Final answer
    x = 79,184.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.