Home / 179,058.21-247,143.47-102,622.10

Finding the Fourth Proportional to 179,058.21, 247,143.47 and 102,622.10

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Solution

The fourth proportional to 179,058.21, 247,143.47 and 102,622.10 is: 141,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,058.21 : 247,143.47 = 102,622.10 : x
  2. Step 2: Convert to fraction form
    179,058.21/247,143.47 = 102,622.10/x
  3. Step 3: Cross multiply
    179,058.21x = 247,143.47 × 102,622.10
  4. Step 4: Simplify right side
    179,058.21x = 25,362,381,892.69
  5. Step 5: Solve for x
    x = 25,362,381,892.69/179,058.21
  6. Step 6: Final answer
    x = 141,643.22

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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.