Home / 177,789.20-266,683.80-164,272.40

Finding the Fourth Proportional to 177,789.20, 266,683.80 and 164,272.40

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Solution

The fourth proportional to 177,789.20, 266,683.80 and 164,272.40 is: 246,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,789.20 : 266,683.80 = 164,272.40 : x
  2. Step 2: Convert to fraction form
    177,789.20/266,683.80 = 164,272.40/x
  3. Step 3: Cross multiply
    177,789.20x = 266,683.80 × 164,272.40
  4. Step 4: Simplify right side
    177,789.20x = 43,808,787,867.12
  5. Step 5: Solve for x
    x = 43,808,787,867.12/177,789.20
  6. Step 6: Final answer
    x = 246,408.60

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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.