Home / 157,058.45-235,634.13-90,546.30

Finding the Fourth Proportional to 157,058.45, 235,634.13 and 90,546.30

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Solution

The fourth proportional to 157,058.45, 235,634.13 and 90,546.30 is: 135,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,058.45 : 235,634.13 = 90,546.30 : x
  2. Step 2: Convert to fraction form
    157,058.45/235,634.13 = 90,546.30/x
  3. Step 3: Cross multiply
    157,058.45x = 235,634.13 × 90,546.30
  4. Step 4: Simplify right side
    157,058.45x = 21,335,798,625.22
  5. Step 5: Solve for x
    x = 21,335,798,625.22/157,058.45
  6. Step 6: Final answer
    x = 135,846.23

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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.