Home / 97,800.28-146,797.62-45,221.56

Finding the Fourth Proportional to 97,800.28, 146,797.62 and 45,221.56

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Solution

The fourth proportional to 97,800.28, 146,797.62 and 45,221.56 is: 67,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,800.28 : 146,797.62 = 45,221.56 : x
  2. Step 2: Convert to fraction form
    97,800.28/146,797.62 = 45,221.56/x
  3. Step 3: Cross multiply
    97,800.28x = 146,797.62 × 45,221.56
  4. Step 4: Simplify right side
    97,800.28x = 6,638,417,380.69
  5. Step 5: Solve for x
    x = 6,638,417,380.69/97,800.28
  6. Step 6: Final answer
    x = 67,877.28

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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.