Home / 208,176.38-312,273.20-60,432.38

Finding the Fourth Proportional to 208,176.38, 312,273.20 and 60,432.38

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Solution

The fourth proportional to 208,176.38, 312,273.20 and 60,432.38 is: 90,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,176.38 : 312,273.20 = 60,432.38 : x
  2. Step 2: Convert to fraction form
    208,176.38/312,273.20 = 60,432.38/x
  3. Step 3: Cross multiply
    208,176.38x = 312,273.20 × 60,432.38
  4. Step 4: Simplify right side
    208,176.38x = 18,871,411,275.93
  5. Step 5: Solve for x
    x = 18,871,411,275.93/208,176.38
  6. Step 6: Final answer
    x = 90,651.07

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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.