Home / 155,967.10-233,622.60-129,723.10

Finding the Fourth Proportional to 155,967.10, 233,622.60 and 129,723.10

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Solution

The fourth proportional to 155,967.10, 233,622.60 and 129,723.10 is: 194,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,967.10 : 233,622.60 = 129,723.10 : x
  2. Step 2: Convert to fraction form
    155,967.10/233,622.60 = 129,723.10/x
  3. Step 3: Cross multiply
    155,967.10x = 233,622.60 × 129,723.10
  4. Step 4: Simplify right side
    155,967.10x = 30,306,247,902.06
  5. Step 5: Solve for x
    x = 30,306,247,902.06/155,967.10
  6. Step 6: Final answer
    x = 194,311.80

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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.