Home / 166,077.80-249,116.70-47,738.60

Finding the Fourth Proportional to 166,077.80, 249,116.70 and 47,738.60

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Solution

The fourth proportional to 166,077.80, 249,116.70 and 47,738.60 is: 71,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,077.80 : 249,116.70 = 47,738.60 : x
  2. Step 2: Convert to fraction form
    166,077.80/249,116.70 = 47,738.60/x
  3. Step 3: Cross multiply
    166,077.80x = 249,116.70 × 47,738.60
  4. Step 4: Simplify right side
    166,077.80x = 11,892,482,494.62
  5. Step 5: Solve for x
    x = 11,892,482,494.62/166,077.80
  6. Step 6: Final answer
    x = 71,607.90

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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.