Home / 166,286.61-249,561.14-77,494.41

Finding the Fourth Proportional to 166,286.61, 249,561.14 and 77,494.41

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Solution

The fourth proportional to 166,286.61, 249,561.14 and 77,494.41 is: 116,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,286.61 : 249,561.14 = 77,494.41 : x
  2. Step 2: Convert to fraction form
    166,286.61/249,561.14 = 77,494.41/x
  3. Step 3: Cross multiply
    166,286.61x = 249,561.14 × 77,494.41
  4. Step 4: Simplify right side
    166,286.61x = 19,339,592,915.76
  5. Step 5: Solve for x
    x = 19,339,592,915.76/166,286.61
  6. Step 6: Final answer
    x = 116,302.77

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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.