Home / 167,677.29-231,293.48-103,157.55

Finding the Fourth Proportional to 167,677.29, 231,293.48 and 103,157.55

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Solution

The fourth proportional to 167,677.29, 231,293.48 and 103,157.55 is: 142,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,677.29 : 231,293.48 = 103,157.55 : x
  2. Step 2: Convert to fraction form
    167,677.29/231,293.48 = 103,157.55/x
  3. Step 3: Cross multiply
    167,677.29x = 231,293.48 × 103,157.55
  4. Step 4: Simplify right side
    167,677.29x = 23,859,668,211.99
  5. Step 5: Solve for x
    x = 23,859,668,211.99/167,677.29
  6. Step 6: Final answer
    x = 142,295.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.