Home / 166,616.70-249,925.05-73,122.45

Finding the Fourth Proportional to 166,616.70, 249,925.05 and 73,122.45

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Solution

The fourth proportional to 166,616.70, 249,925.05 and 73,122.45 is: 109,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,616.70 : 249,925.05 = 73,122.45 : x
  2. Step 2: Convert to fraction form
    166,616.70/249,925.05 = 73,122.45/x
  3. Step 3: Cross multiply
    166,616.70x = 249,925.05 × 73,122.45
  4. Step 4: Simplify right side
    166,616.70x = 18,275,131,972.37
  5. Step 5: Solve for x
    x = 18,275,131,972.37/166,616.70
  6. Step 6: Final answer
    x = 109,683.68

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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.