Home / 230,030.20-345,076.74-80,248.04

Finding the Fourth Proportional to 230,030.20, 345,076.74 and 80,248.04

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Solution

The fourth proportional to 230,030.20, 345,076.74 and 80,248.04 is: 120,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,030.20 : 345,076.74 = 80,248.04 : x
  2. Step 2: Convert to fraction form
    230,030.20/345,076.74 = 80,248.04/x
  3. Step 3: Cross multiply
    230,030.20x = 345,076.74 × 80,248.04
  4. Step 4: Simplify right side
    230,030.20x = 27,691,732,034.59
  5. Step 5: Solve for x
    x = 27,691,732,034.59/230,030.20
  6. Step 6: Final answer
    x = 120,383.03

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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.