Home / 174,718.20-262,021.80-74,851.68

Finding the Fourth Proportional to 174,718.20, 262,021.80 and 74,851.68

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Solution

The fourth proportional to 174,718.20, 262,021.80 and 74,851.68 is: 112,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,718.20 : 262,021.80 = 74,851.68 : x
  2. Step 2: Convert to fraction form
    174,718.20/262,021.80 = 74,851.68/x
  3. Step 3: Cross multiply
    174,718.20x = 262,021.80 × 74,851.68
  4. Step 4: Simplify right side
    174,718.20x = 19,612,771,926.62
  5. Step 5: Solve for x
    x = 19,612,771,926.62/174,718.20
  6. Step 6: Final answer
    x = 112,253.74

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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.