Home / 167,439.62-231,068.42-90,960.24

Finding the Fourth Proportional to 167,439.62, 231,068.42 and 90,960.24

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Solution

The fourth proportional to 167,439.62, 231,068.42 and 90,960.24 is: 125,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,439.62 : 231,068.42 = 90,960.24 : x
  2. Step 2: Convert to fraction form
    167,439.62/231,068.42 = 90,960.24/x
  3. Step 3: Cross multiply
    167,439.62x = 231,068.42 × 90,960.24
  4. Step 4: Simplify right side
    167,439.62x = 21,018,038,939.62
  5. Step 5: Solve for x
    x = 21,018,038,939.62/167,439.62
  6. Step 6: Final answer
    x = 125,526.08

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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.