Home / 167,530.65-251,327.09-55,218.75

Finding the Fourth Proportional to 167,530.65, 251,327.09 and 55,218.75

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Solution

The fourth proportional to 167,530.65, 251,327.09 and 55,218.75 is: 82,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,530.65 : 251,327.09 = 55,218.75 : x
  2. Step 2: Convert to fraction form
    167,530.65/251,327.09 = 55,218.75/x
  3. Step 3: Cross multiply
    167,530.65x = 251,327.09 × 55,218.75
  4. Step 4: Simplify right side
    167,530.65x = 13,877,966,946.51
  5. Step 5: Solve for x
    x = 13,877,966,946.51/167,530.65
  6. Step 6: Final answer
    x = 82,838.38

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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.