Home / 167,457.76-251,225.57-55,138.95

Finding the Fourth Proportional to 167,457.76, 251,225.57 and 55,138.95

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Solution

The fourth proportional to 167,457.76, 251,225.57 and 55,138.95 is: 82,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,457.76 : 251,225.57 = 55,138.95 : x
  2. Step 2: Convert to fraction form
    167,457.76/251,225.57 = 55,138.95/x
  3. Step 3: Cross multiply
    167,457.76x = 251,225.57 × 55,138.95
  4. Step 4: Simplify right side
    167,457.76x = 13,852,315,190.97
  5. Step 5: Solve for x
    x = 13,852,315,190.97/167,457.76
  6. Step 6: Final answer
    x = 82,721.25

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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.