Home / 291,244.17-401,916.15-163,919.79

Finding the Fourth Proportional to 291,244.17, 401,916.15 and 163,919.79

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Solution

The fourth proportional to 291,244.17, 401,916.15 and 163,919.79 is: 226,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,244.17 : 401,916.15 = 163,919.79 : x
  2. Step 2: Convert to fraction form
    291,244.17/401,916.15 = 163,919.79/x
  3. Step 3: Cross multiply
    291,244.17x = 401,916.15 × 163,919.79
  4. Step 4: Simplify right side
    291,244.17x = 65,882,010,905.61
  5. Step 5: Solve for x
    x = 65,882,010,905.61/291,244.17
  6. Step 6: Final answer
    x = 226,208.86

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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.