Home / 199,603.71-275,499.36-131,632.95

Finding the Fourth Proportional to 199,603.71, 275,499.36 and 131,632.95

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Solution

The fourth proportional to 199,603.71, 275,499.36 and 131,632.95 is: 181,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,603.71 : 275,499.36 = 131,632.95 : x
  2. Step 2: Convert to fraction form
    199,603.71/275,499.36 = 131,632.95/x
  3. Step 3: Cross multiply
    199,603.71x = 275,499.36 × 131,632.95
  4. Step 4: Simplify right side
    199,603.71x = 36,264,793,479.91
  5. Step 5: Solve for x
    x = 36,264,793,479.91/199,603.71
  6. Step 6: Final answer
    x = 181,683.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.