Home / 174,105.06-261,176.40-74,275.80

Finding the Fourth Proportional to 174,105.06, 261,176.40 and 74,275.80

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Solution

The fourth proportional to 174,105.06, 261,176.40 and 74,275.80 is: 111,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,105.06 : 261,176.40 = 74,275.80 : x
  2. Step 2: Convert to fraction form
    174,105.06/261,176.40 = 74,275.80/x
  3. Step 3: Cross multiply
    174,105.06x = 261,176.40 × 74,275.80
  4. Step 4: Simplify right side
    174,105.06x = 19,399,086,051.12
  5. Step 5: Solve for x
    x = 19,399,086,051.12/174,105.06
  6. Step 6: Final answer
    x = 111,421.72

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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.