Home / 157,422.90-236,134.35-133,803.30

Finding the Fourth Proportional to 157,422.90, 236,134.35 and 133,803.30

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Solution

The fourth proportional to 157,422.90, 236,134.35 and 133,803.30 is: 200,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,422.90 : 236,134.35 = 133,803.30 : x
  2. Step 2: Convert to fraction form
    157,422.90/236,134.35 = 133,803.30/x
  3. Step 3: Cross multiply
    157,422.90x = 236,134.35 × 133,803.30
  4. Step 4: Simplify right side
    157,422.90x = 31,595,555,273.36
  5. Step 5: Solve for x
    x = 31,595,555,273.36/157,422.90
  6. Step 6: Final answer
    x = 200,704.95

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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.