Home / 107,200.48-160,767.81-74,133.04

Finding the Fourth Proportional to 107,200.48, 160,767.81 and 74,133.04

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Solution

The fourth proportional to 107,200.48, 160,767.81 and 74,133.04 is: 111,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,200.48 : 160,767.81 = 74,133.04 : x
  2. Step 2: Convert to fraction form
    107,200.48/160,767.81 = 74,133.04/x
  3. Step 3: Cross multiply
    107,200.48x = 160,767.81 × 74,133.04
  4. Step 4: Simplify right side
    107,200.48x = 11,918,206,489.44
  5. Step 5: Solve for x
    x = 11,918,206,489.44/107,200.48
  6. Step 6: Final answer
    x = 111,176.80

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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.