Home / 166,561.11-249,805.49-52,717.77

Finding the Fourth Proportional to 166,561.11, 249,805.49 and 52,717.77

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Solution

The fourth proportional to 166,561.11, 249,805.49 and 52,717.77 is: 79,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,561.11 : 249,805.49 = 52,717.77 : x
  2. Step 2: Convert to fraction form
    166,561.11/249,805.49 = 52,717.77/x
  3. Step 3: Cross multiply
    166,561.11x = 249,805.49 × 52,717.77
  4. Step 4: Simplify right side
    166,561.11x = 13,169,188,102.97
  5. Step 5: Solve for x
    x = 13,169,188,102.97/166,561.11
  6. Step 6: Final answer
    x = 79,065.20

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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.