Home / 305,658.06-457,890.66-200,157.18

Finding the Fourth Proportional to 305,658.06, 457,890.66 and 200,157.18

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Solution

The fourth proportional to 305,658.06, 457,890.66 and 200,157.18 is: 299,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,658.06 : 457,890.66 = 200,157.18 : x
  2. Step 2: Convert to fraction form
    305,658.06/457,890.66 = 200,157.18/x
  3. Step 3: Cross multiply
    305,658.06x = 457,890.66 × 200,157.18
  4. Step 4: Simplify right side
    305,658.06x = 91,650,103,253.94
  5. Step 5: Solve for x
    x = 91,650,103,253.94/305,658.06
  6. Step 6: Final answer
    x = 299,845.20

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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.