Home / 111,214.40-166,821.60-63,975.20

Finding the Fourth Proportional to 111,214.40, 166,821.60 and 63,975.20

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Solution

The fourth proportional to 111,214.40, 166,821.60 and 63,975.20 is: 95,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,214.40 : 166,821.60 = 63,975.20 : x
  2. Step 2: Convert to fraction form
    111,214.40/166,821.60 = 63,975.20/x
  3. Step 3: Cross multiply
    111,214.40x = 166,821.60 × 63,975.20
  4. Step 4: Simplify right side
    111,214.40x = 10,672,445,224.32
  5. Step 5: Solve for x
    x = 10,672,445,224.32/111,214.40
  6. Step 6: Final answer
    x = 95,962.80

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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.