Home / 149,116.46-205,712.91-88,652.80

Finding the Fourth Proportional to 149,116.46, 205,712.91 and 88,652.80

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Solution

The fourth proportional to 149,116.46, 205,712.91 and 88,652.80 is: 122,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,116.46 : 205,712.91 = 88,652.80 : x
  2. Step 2: Convert to fraction form
    149,116.46/205,712.91 = 88,652.80/x
  3. Step 3: Cross multiply
    149,116.46x = 205,712.91 × 88,652.80
  4. Step 4: Simplify right side
    149,116.46x = 18,237,023,995.82
  5. Step 5: Solve for x
    x = 18,237,023,995.82/149,116.46
  6. Step 6: Final answer
    x = 122,300.54

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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.