Home / 166,318.11-249,608.39-77,525.91

Finding the Fourth Proportional to 166,318.11, 249,608.39 and 77,525.91

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Solution

The fourth proportional to 166,318.11, 249,608.39 and 77,525.91 is: 116,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,318.11 : 249,608.39 = 77,525.91 : x
  2. Step 2: Convert to fraction form
    166,318.11/249,608.39 = 77,525.91/x
  3. Step 3: Cross multiply
    166,318.11x = 249,608.39 × 77,525.91
  4. Step 4: Simplify right side
    166,318.11x = 19,351,117,190.76
  5. Step 5: Solve for x
    x = 19,351,117,190.76/166,318.11
  6. Step 6: Final answer
    x = 116,350.03

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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.