Home / 207,892.42-311,700.39-114,442.18

Finding the Fourth Proportional to 207,892.42, 311,700.39 and 114,442.18

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Solution

The fourth proportional to 207,892.42, 311,700.39 and 114,442.18 is: 171,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,892.42 : 311,700.39 = 114,442.18 : x
  2. Step 2: Convert to fraction form
    207,892.42/311,700.39 = 114,442.18/x
  3. Step 3: Cross multiply
    207,892.42x = 311,700.39 × 114,442.18
  4. Step 4: Simplify right side
    207,892.42x = 35,671,672,138.45
  5. Step 5: Solve for x
    x = 35,671,672,138.45/207,892.42
  6. Step 6: Final answer
    x = 171,587.17

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1.5x scale

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.