Home / 167,153.18-230,670.03-90,672.09

Finding the Fourth Proportional to 167,153.18, 230,670.03 and 90,672.09

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Solution

The fourth proportional to 167,153.18, 230,670.03 and 90,672.09 is: 125,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,153.18 : 230,670.03 = 90,672.09 : x
  2. Step 2: Convert to fraction form
    167,153.18/230,670.03 = 90,672.09/x
  3. Step 3: Cross multiply
    167,153.18x = 230,670.03 × 90,672.09
  4. Step 4: Simplify right side
    167,153.18x = 20,915,333,720.46
  5. Step 5: Solve for x
    x = 20,915,333,720.46/167,153.18
  6. Step 6: Final answer
    x = 125,126.75

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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.