Home / 110,851.90-166,180.65-66,496.30

Finding the Fourth Proportional to 110,851.90, 166,180.65 and 66,496.30

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Solution

The fourth proportional to 110,851.90, 166,180.65 and 66,496.30 is: 99,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,851.90 : 166,180.65 = 66,496.30 : x
  2. Step 2: Convert to fraction form
    110,851.90/166,180.65 = 66,496.30/x
  3. Step 3: Cross multiply
    110,851.90x = 166,180.65 × 66,496.30
  4. Step 4: Simplify right side
    110,851.90x = 11,050,398,356.60
  5. Step 5: Solve for x
    x = 11,050,398,356.60/110,851.90
  6. Step 6: Final answer
    x = 99,686.14

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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.