Home / 167,749.92-251,262-78,870.24

Finding the Fourth Proportional to 167,749.92, 251,262 and 78,870.24

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Solution

The fourth proportional to 167,749.92, 251,262 and 78,870.24 is: 118,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,749.92 : 251,262 = 78,870.24 : x
  2. Step 2: Convert to fraction form
    167,749.92/251,262 = 78,870.24/x
  3. Step 3: Cross multiply
    167,749.92x = 251,262 × 78,870.24
  4. Step 4: Simplify right side
    167,749.92x = 19,817,094,242.88
  5. Step 5: Solve for x
    x = 19,817,094,242.88/167,749.92
  6. Step 6: Final answer
    x = 118,134.75

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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.