Home / 107,157.03-160,531.39-66,566.31

Finding the Fourth Proportional to 107,157.03, 160,531.39 and 66,566.31

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Solution

The fourth proportional to 107,157.03, 160,531.39 and 66,566.31 is: 99,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,157.03 : 160,531.39 = 66,566.31 : x
  2. Step 2: Convert to fraction form
    107,157.03/160,531.39 = 66,566.31/x
  3. Step 3: Cross multiply
    107,157.03x = 160,531.39 × 66,566.31
  4. Step 4: Simplify right side
    107,157.03x = 10,685,982,271.47
  5. Step 5: Solve for x
    x = 10,685,982,271.47/107,157.03
  6. Step 6: Final answer
    x = 99,722.64

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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.