Home / 166,520.22-249,771.65-148,012.74

Finding the Fourth Proportional to 166,520.22, 249,771.65 and 148,012.74

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Solution

The fourth proportional to 166,520.22, 249,771.65 and 148,012.74 is: 222,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,520.22 : 249,771.65 = 148,012.74 : x
  2. Step 2: Convert to fraction form
    166,520.22/249,771.65 = 148,012.74/x
  3. Step 3: Cross multiply
    166,520.22x = 249,771.65 × 148,012.74
  4. Step 4: Simplify right side
    166,520.22x = 36,969,385,550.76
  5. Step 5: Solve for x
    x = 36,969,385,550.76/166,520.22
  6. Step 6: Final answer
    x = 222,011.39

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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.