Home / 124,986.16-187,396.08-68,852.68

Finding the Fourth Proportional to 124,986.16, 187,396.08 and 68,852.68

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Solution

The fourth proportional to 124,986.16, 187,396.08 and 68,852.68 is: 103,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,986.16 : 187,396.08 = 68,852.68 : x
  2. Step 2: Convert to fraction form
    124,986.16/187,396.08 = 68,852.68/x
  3. Step 3: Cross multiply
    124,986.16x = 187,396.08 × 68,852.68
  4. Step 4: Simplify right side
    124,986.16x = 12,902,722,329.49
  5. Step 5: Solve for x
    x = 12,902,722,329.49/124,986.16
  6. Step 6: Final answer
    x = 103,233.21

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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.