Home / 167,563.18-251,426.76-78,825.64

Finding the Fourth Proportional to 167,563.18, 251,426.76 and 78,825.64

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Solution

The fourth proportional to 167,563.18, 251,426.76 and 78,825.64 is: 118,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,563.18 : 251,426.76 = 78,825.64 : x
  2. Step 2: Convert to fraction form
    167,563.18/251,426.76 = 78,825.64/x
  3. Step 3: Cross multiply
    167,563.18x = 251,426.76 × 78,825.64
  4. Step 4: Simplify right side
    167,563.18x = 19,818,875,270.13
  5. Step 5: Solve for x
    x = 19,818,875,270.13/167,563.18
  6. Step 6: Final answer
    x = 118,277.03

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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.