Home / 167,589.02-251,465.48-78,851.36

Finding the Fourth Proportional to 167,589.02, 251,465.48 and 78,851.36

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Solution

The fourth proportional to 167,589.02, 251,465.48 and 78,851.36 is: 118,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,589.02 : 251,465.48 = 78,851.36 : x
  2. Step 2: Convert to fraction form
    167,589.02/251,465.48 = 78,851.36/x
  3. Step 3: Cross multiply
    167,589.02x = 251,465.48 × 78,851.36
  4. Step 4: Simplify right side
    167,589.02x = 19,828,395,091.05
  5. Step 5: Solve for x
    x = 19,828,395,091.05/167,589.02
  6. Step 6: Final answer
    x = 118,315.60

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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.