Home / 167,151.95-230,668.79-90,672.56

Finding the Fourth Proportional to 167,151.95, 230,668.79 and 90,672.56

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Solution

The fourth proportional to 167,151.95, 230,668.79 and 90,672.56 is: 125,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,151.95 : 230,668.79 = 90,672.56 : x
  2. Step 2: Convert to fraction form
    167,151.95/230,668.79 = 90,672.56/x
  3. Step 3: Cross multiply
    167,151.95x = 230,668.79 × 90,672.56
  4. Step 4: Simplify right side
    167,151.95x = 20,915,328,094.70
  5. Step 5: Solve for x
    x = 20,915,328,094.70/167,151.95
  6. Step 6: Final answer
    x = 125,127.64

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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.