Home / 291,247.17-401,920.29-163,922.79

Finding the Fourth Proportional to 291,247.17, 401,920.29 and 163,922.79

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Solution

The fourth proportional to 291,247.17, 401,920.29 and 163,922.79 is: 226,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,247.17 : 401,920.29 = 163,922.79 : x
  2. Step 2: Convert to fraction form
    291,247.17/401,920.29 = 163,922.79/x
  3. Step 3: Cross multiply
    291,247.17x = 401,920.29 × 163,922.79
  4. Step 4: Simplify right side
    291,247.17x = 65,883,895,294.41
  5. Step 5: Solve for x
    x = 65,883,895,294.41/291,247.17
  6. Step 6: Final answer
    x = 226,213.00

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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.