Home / 168,775.20-253,227.60-166,118.40

Finding the Fourth Proportional to 168,775.20, 253,227.60 and 166,118.40

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Solution

The fourth proportional to 168,775.20, 253,227.60 and 166,118.40 is: 249,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,775.20 : 253,227.60 = 166,118.40 : x
  2. Step 2: Convert to fraction form
    168,775.20/253,227.60 = 166,118.40/x
  3. Step 3: Cross multiply
    168,775.20x = 253,227.60 × 166,118.40
  4. Step 4: Simplify right side
    168,775.20x = 42,065,763,747.84
  5. Step 5: Solve for x
    x = 42,065,763,747.84/168,775.20
  6. Step 6: Final answer
    x = 249,241.38

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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.