Home / 166,619.20-249,928.80-73,124.95

Finding the Fourth Proportional to 166,619.20, 249,928.80 and 73,124.95

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Solution

The fourth proportional to 166,619.20, 249,928.80 and 73,124.95 is: 109,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,619.20 : 249,928.80 = 73,124.95 : x
  2. Step 2: Convert to fraction form
    166,619.20/249,928.80 = 73,124.95/x
  3. Step 3: Cross multiply
    166,619.20x = 249,928.80 × 73,124.95
  4. Step 4: Simplify right side
    166,619.20x = 18,276,031,003.56
  5. Step 5: Solve for x
    x = 18,276,031,003.56/166,619.20
  6. Step 6: Final answer
    x = 109,687.43

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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.