Home / 161,335.09-242,040.49-158,657.38

Finding the Fourth Proportional to 161,335.09, 242,040.49 and 158,657.38

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Solution

The fourth proportional to 161,335.09, 242,040.49 and 158,657.38 is: 238,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,335.09 : 242,040.49 = 158,657.38 : x
  2. Step 2: Convert to fraction form
    161,335.09/242,040.49 = 158,657.38/x
  3. Step 3: Cross multiply
    161,335.09x = 242,040.49 × 158,657.38
  4. Step 4: Simplify right side
    161,335.09x = 38,401,510,357.05
  5. Step 5: Solve for x
    x = 38,401,510,357.05/161,335.09
  6. Step 6: Final answer
    x = 238,023.30

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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.