Home / 110,359.76-152,190.60-74,143.04

Finding the Fourth Proportional to 110,359.76, 152,190.60 and 74,143.04

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Solution

The fourth proportional to 110,359.76, 152,190.60 and 74,143.04 is: 102,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,359.76 : 152,190.60 = 74,143.04 : x
  2. Step 2: Convert to fraction form
    110,359.76/152,190.60 = 74,143.04/x
  3. Step 3: Cross multiply
    110,359.76x = 152,190.60 × 74,143.04
  4. Step 4: Simplify right side
    110,359.76x = 11,283,873,743.42
  5. Step 5: Solve for x
    x = 11,283,873,743.42/110,359.76
  6. Step 6: Final answer
    x = 102,246.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.