Home / 291,176.15-401,822.91-163,851.86

Finding the Fourth Proportional to 291,176.15, 401,822.91 and 163,851.86

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Solution

The fourth proportional to 291,176.15, 401,822.91 and 163,851.86 is: 226,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,176.15 : 401,822.91 = 163,851.86 : x
  2. Step 2: Convert to fraction form
    291,176.15/401,822.91 = 163,851.86/x
  3. Step 3: Cross multiply
    291,176.15x = 401,822.91 × 163,851.86
  4. Step 4: Simplify right side
    291,176.15x = 65,839,431,194.11
  5. Step 5: Solve for x
    x = 65,839,431,194.11/291,176.15
  6. Step 6: Final answer
    x = 226,115.47

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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.