Home / 167,445.36-231,073.65-90,963.80

Finding the Fourth Proportional to 167,445.36, 231,073.65 and 90,963.80

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Solution

The fourth proportional to 167,445.36, 231,073.65 and 90,963.80 is: 125,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,445.36 : 231,073.65 = 90,963.80 : x
  2. Step 2: Convert to fraction form
    167,445.36/231,073.65 = 90,963.80/x
  3. Step 3: Cross multiply
    167,445.36x = 231,073.65 × 90,963.80
  4. Step 4: Simplify right side
    167,445.36x = 21,019,336,128.50
  5. Step 5: Solve for x
    x = 21,019,336,128.50/167,445.36
  6. Step 6: Final answer
    x = 125,529.52

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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.