Home / 157,782.92-236,499.06-120,219.14

Finding the Fourth Proportional to 157,782.92, 236,499.06 and 120,219.14

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Solution

The fourth proportional to 157,782.92, 236,499.06 and 120,219.14 is: 180,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,782.92 : 236,499.06 = 120,219.14 : x
  2. Step 2: Convert to fraction form
    157,782.92/236,499.06 = 120,219.14/x
  3. Step 3: Cross multiply
    157,782.92x = 236,499.06 × 120,219.14
  4. Step 4: Simplify right side
    157,782.92x = 28,431,713,604.01
  5. Step 5: Solve for x
    x = 28,431,713,604.01/157,782.92
  6. Step 6: Final answer
    x = 180,195.13

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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.