Home / 169,788.02-254,679.41-43,427.15

Finding the Fourth Proportional to 169,788.02, 254,679.41 and 43,427.15

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Solution

The fourth proportional to 169,788.02, 254,679.41 and 43,427.15 is: 65,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,788.02 : 254,679.41 = 43,427.15 : x
  2. Step 2: Convert to fraction form
    169,788.02/254,679.41 = 43,427.15/x
  3. Step 3: Cross multiply
    169,788.02x = 254,679.41 × 43,427.15
  4. Step 4: Simplify right side
    169,788.02x = 11,059,999,449.45
  5. Step 5: Solve for x
    x = 11,059,999,449.45/169,788.02
  6. Step 6: Final answer
    x = 65,140.05

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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.