Home / 124,835.01-187,247.66-68,786.25

Finding the Fourth Proportional to 124,835.01, 187,247.66 and 68,786.25

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Solution

The fourth proportional to 124,835.01, 187,247.66 and 68,786.25 is: 103,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,835.01 : 187,247.66 = 68,786.25 : x
  2. Step 2: Convert to fraction form
    124,835.01/187,247.66 = 68,786.25/x
  3. Step 3: Cross multiply
    124,835.01x = 187,247.66 × 68,786.25
  4. Step 4: Simplify right side
    124,835.01x = 12,880,064,008.74
  5. Step 5: Solve for x
    x = 12,880,064,008.74/124,835.01
  6. Step 6: Final answer
    x = 103,176.70

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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.