Home / 167,750.92-251,263.50-78,871.24

Finding the Fourth Proportional to 167,750.92, 251,263.50 and 78,871.24

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Solution

The fourth proportional to 167,750.92, 251,263.50 and 78,871.24 is: 118,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,750.92 : 251,263.50 = 78,871.24 : x
  2. Step 2: Convert to fraction form
    167,750.92/251,263.50 = 78,871.24/x
  3. Step 3: Cross multiply
    167,750.92x = 251,263.50 × 78,871.24
  4. Step 4: Simplify right side
    167,750.92x = 19,817,463,811.74
  5. Step 5: Solve for x
    x = 19,817,463,811.74/167,750.92
  6. Step 6: Final answer
    x = 118,136.25

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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.