Home / 167,635.52-251,535.36-78,885.44

Finding the Fourth Proportional to 167,635.52, 251,535.36 and 78,885.44

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Solution

The fourth proportional to 167,635.52, 251,535.36 and 78,885.44 is: 118,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,635.52 : 251,535.36 = 78,885.44 : x
  2. Step 2: Convert to fraction form
    167,635.52/251,535.36 = 78,885.44/x
  3. Step 3: Cross multiply
    167,635.52x = 251,535.36 × 78,885.44
  4. Step 4: Simplify right side
    167,635.52x = 19,842,477,549.16
  5. Step 5: Solve for x
    x = 19,842,477,549.16/167,635.52
  6. Step 6: Final answer
    x = 118,366.78

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1.5x scale

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.