Home / 167,538.14-251,389.22-78,800.62

Finding the Fourth Proportional to 167,538.14, 251,389.22 and 78,800.62

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Solution

The fourth proportional to 167,538.14, 251,389.22 and 78,800.62 is: 118,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,538.14 : 251,389.22 = 78,800.62 : x
  2. Step 2: Convert to fraction form
    167,538.14/251,389.22 = 78,800.62/x
  3. Step 3: Cross multiply
    167,538.14x = 251,389.22 × 78,800.62
  4. Step 4: Simplify right side
    167,538.14x = 19,809,626,397.32
  5. Step 5: Solve for x
    x = 19,809,626,397.32/167,538.14
  6. Step 6: Final answer
    x = 118,239.50

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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.