Home / 208,548.28-312,822.78-50,776.84

Finding the Fourth Proportional to 208,548.28, 312,822.78 and 50,776.84

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Solution

The fourth proportional to 208,548.28, 312,822.78 and 50,776.84 is: 76,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,548.28 : 312,822.78 = 50,776.84 : x
  2. Step 2: Convert to fraction form
    208,548.28/312,822.78 = 50,776.84/x
  3. Step 3: Cross multiply
    208,548.28x = 312,822.78 × 50,776.84
  4. Step 4: Simplify right side
    208,548.28x = 15,884,152,248.42
  5. Step 5: Solve for x
    x = 15,884,152,248.42/208,548.28
  6. Step 6: Final answer
    x = 76,165.35

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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.