Home / 292,130.22-403,139.79-164,832.78

Finding the Fourth Proportional to 292,130.22, 403,139.79 and 164,832.78

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Solution

The fourth proportional to 292,130.22, 403,139.79 and 164,832.78 is: 227,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,130.22 : 403,139.79 = 164,832.78 : x
  2. Step 2: Convert to fraction form
    292,130.22/403,139.79 = 164,832.78/x
  3. Step 3: Cross multiply
    292,130.22x = 403,139.79 × 164,832.78
  4. Step 4: Simplify right side
    292,130.22x = 66,450,652,314.32
  5. Step 5: Solve for x
    x = 66,450,652,314.32/292,130.22
  6. Step 6: Final answer
    x = 227,469.29

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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.