Home / 251,786.91-347,465.93-137,066.38

Finding the Fourth Proportional to 251,786.91, 347,465.93 and 137,066.38

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Solution

The fourth proportional to 251,786.91, 347,465.93 and 137,066.38 is: 189,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,786.91 : 347,465.93 = 137,066.38 : x
  2. Step 2: Convert to fraction form
    251,786.91/347,465.93 = 137,066.38/x
  3. Step 3: Cross multiply
    251,786.91x = 347,465.93 × 137,066.38
  4. Step 4: Simplify right side
    251,786.91x = 47,625,896,513.10
  5. Step 5: Solve for x
    x = 47,625,896,513.10/251,786.91
  6. Step 6: Final answer
    x = 189,151.60

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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.