Home / 167,535.47-251,321.59-72,700.47

Finding the Fourth Proportional to 167,535.47, 251,321.59 and 72,700.47

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Solution

The fourth proportional to 167,535.47, 251,321.59 and 72,700.47 is: 109,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,535.47 : 251,321.59 = 72,700.47 : x
  2. Step 2: Convert to fraction form
    167,535.47/251,321.59 = 72,700.47/x
  3. Step 3: Cross multiply
    167,535.47x = 251,321.59 × 72,700.47
  4. Step 4: Simplify right side
    167,535.47x = 18,271,197,396.08
  5. Step 5: Solve for x
    x = 18,271,197,396.08/167,535.47
  6. Step 6: Final answer
    x = 109,058.68

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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.