Home / 167,591.02-251,468.48-78,853.36

Finding the Fourth Proportional to 167,591.02, 251,468.48 and 78,853.36

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Solution

The fourth proportional to 167,591.02, 251,468.48 and 78,853.36 is: 118,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,591.02 : 251,468.48 = 78,853.36 : x
  2. Step 2: Convert to fraction form
    167,591.02/251,468.48 = 78,853.36/x
  3. Step 3: Cross multiply
    167,591.02x = 251,468.48 × 78,853.36
  4. Step 4: Simplify right side
    167,591.02x = 19,829,134,582.09
  5. Step 5: Solve for x
    x = 19,829,134,582.09/167,591.02
  6. Step 6: Final answer
    x = 118,318.60

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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.