Home / 146,724.88-220,120.08-53,228.56

Finding the Fourth Proportional to 146,724.88, 220,120.08 and 53,228.56

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Solution

The fourth proportional to 146,724.88, 220,120.08 and 53,228.56 is: 79,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,724.88 : 220,120.08 = 53,228.56 : x
  2. Step 2: Convert to fraction form
    146,724.88/220,120.08 = 53,228.56/x
  3. Step 3: Cross multiply
    146,724.88x = 220,120.08 × 53,228.56
  4. Step 4: Simplify right side
    146,724.88x = 11,716,674,885.48
  5. Step 5: Solve for x
    x = 11,716,674,885.48/146,724.88
  6. Step 6: Final answer
    x = 79,854.72

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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.