Home / 563,495.30-845,381.26-164,139.78

Finding the Fourth Proportional to 563,495.30, 845,381.26 and 164,139.78

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Solution

The fourth proportional to 563,495.30, 845,381.26 and 164,139.78 is: 246,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,495.30 : 845,381.26 = 164,139.78 : x
  2. Step 2: Convert to fraction form
    563,495.30/845,381.26 = 164,139.78/x
  3. Step 3: Cross multiply
    563,495.30x = 845,381.26 × 164,139.78
  4. Step 4: Simplify right side
    563,495.30x = 138,760,694,032.52
  5. Step 5: Solve for x
    x = 138,760,694,032.52/563,495.30
  6. Step 6: Final answer
    x = 246,249.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.