Home / 166,191.21-249,286.82-77,506.74

Finding the Fourth Proportional to 166,191.21, 249,286.82 and 77,506.74

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Solution

The fourth proportional to 166,191.21, 249,286.82 and 77,506.74 is: 116,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,191.21 : 249,286.82 = 77,506.74 : x
  2. Step 2: Convert to fraction form
    166,191.21/249,286.82 = 77,506.74/x
  3. Step 3: Cross multiply
    166,191.21x = 249,286.82 × 77,506.74
  4. Step 4: Simplify right side
    166,191.21x = 19,321,408,355.63
  5. Step 5: Solve for x
    x = 19,321,408,355.63/166,191.21
  6. Step 6: Final answer
    x = 116,260.11

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1.5x scale

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.