Home / 107,226.40-160,839.60-47,999.20

Finding the Fourth Proportional to 107,226.40, 160,839.60 and 47,999.20

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Solution

The fourth proportional to 107,226.40, 160,839.60 and 47,999.20 is: 71,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,226.40 : 160,839.60 = 47,999.20 : x
  2. Step 2: Convert to fraction form
    107,226.40/160,839.60 = 47,999.20/x
  3. Step 3: Cross multiply
    107,226.40x = 160,839.60 × 47,999.20
  4. Step 4: Simplify right side
    107,226.40x = 7,720,172,128.32
  5. Step 5: Solve for x
    x = 7,720,172,128.32/107,226.40
  6. Step 6: Final answer
    x = 71,998.80

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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.