Home / 124,949.84-187,341.26-68,816.16

Finding the Fourth Proportional to 124,949.84, 187,341.26 and 68,816.16

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Solution

The fourth proportional to 124,949.84, 187,341.26 and 68,816.16 is: 103,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,949.84 : 187,341.26 = 68,816.16 : x
  2. Step 2: Convert to fraction form
    124,949.84/187,341.26 = 68,816.16/x
  3. Step 3: Cross multiply
    124,949.84x = 187,341.26 × 68,816.16
  4. Step 4: Simplify right side
    124,949.84x = 12,892,105,778.68
  5. Step 5: Solve for x
    x = 12,892,105,778.68/124,949.84
  6. Step 6: Final answer
    x = 103,178.25

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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.