Home / 258,029.17-356,077.78-144,851.11

Finding the Fourth Proportional to 258,029.17, 356,077.78 and 144,851.11

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Solution

The fourth proportional to 258,029.17, 356,077.78 and 144,851.11 is: 199,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,029.17 : 356,077.78 = 144,851.11 : x
  2. Step 2: Convert to fraction form
    258,029.17/356,077.78 = 144,851.11/x
  3. Step 3: Cross multiply
    258,029.17x = 356,077.78 × 144,851.11
  4. Step 4: Simplify right side
    258,029.17x = 51,578,260,427.01
  5. Step 5: Solve for x
    x = 51,578,260,427.01/258,029.17
  6. Step 6: Final answer
    x = 199,893.14

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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.