Home / 157,598.20-236,138.10-131,159.80

Finding the Fourth Proportional to 157,598.20, 236,138.10 and 131,159.80

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Solution

The fourth proportional to 157,598.20, 236,138.10 and 131,159.80 is: 196,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,598.20 : 236,138.10 = 131,159.80 : x
  2. Step 2: Convert to fraction form
    157,598.20/236,138.10 = 131,159.80/x
  3. Step 3: Cross multiply
    157,598.20x = 236,138.10 × 131,159.80
  4. Step 4: Simplify right side
    157,598.20x = 30,971,825,968.38
  5. Step 5: Solve for x
    x = 30,971,825,968.38/157,598.20
  6. Step 6: Final answer
    x = 196,523.98

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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.