Home / 305,351.42-457,560.05-163,216.94

Finding the Fourth Proportional to 305,351.42, 457,560.05 and 163,216.94

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Solution

The fourth proportional to 305,351.42, 457,560.05 and 163,216.94 is: 244,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,351.42 : 457,560.05 = 163,216.94 : x
  2. Step 2: Convert to fraction form
    305,351.42/457,560.05 = 163,216.94/x
  3. Step 3: Cross multiply
    305,351.42x = 457,560.05 × 163,216.94
  4. Step 4: Simplify right side
    305,351.42x = 74,681,548,123.36
  5. Step 5: Solve for x
    x = 74,681,548,123.36/305,351.42
  6. Step 6: Final answer
    x = 244,575.74

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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.