Home / 153,934.80-231,114.36-106,433.16

Finding the Fourth Proportional to 153,934.80, 231,114.36 and 106,433.16

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Solution

The fourth proportional to 153,934.80, 231,114.36 and 106,433.16 is: 159,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,934.80 : 231,114.36 = 106,433.16 : x
  2. Step 2: Convert to fraction form
    153,934.80/231,114.36 = 106,433.16/x
  3. Step 3: Cross multiply
    153,934.80x = 231,114.36 × 106,433.16
  4. Step 4: Simplify right side
    153,934.80x = 24,598,231,656.18
  5. Step 5: Solve for x
    x = 24,598,231,656.18/153,934.80
  6. Step 6: Final answer
    x = 159,796.43

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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.