Home / 167,612.10-251,430.30-100,908.60

Finding the Fourth Proportional to 167,612.10, 251,430.30 and 100,908.60

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Solution

The fourth proportional to 167,612.10, 251,430.30 and 100,908.60 is: 151,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,612.10 : 251,430.30 = 100,908.60 : x
  2. Step 2: Convert to fraction form
    167,612.10/251,430.30 = 100,908.60/x
  3. Step 3: Cross multiply
    167,612.10x = 251,430.30 × 100,908.60
  4. Step 4: Simplify right side
    167,612.10x = 25,371,479,570.58
  5. Step 5: Solve for x
    x = 25,371,479,570.58/167,612.10
  6. Step 6: Final answer
    x = 151,370.21

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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.