Home / 291,712.10-437,568.15-197,233.70

Finding the Fourth Proportional to 291,712.10, 437,568.15 and 197,233.70

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Solution

The fourth proportional to 291,712.10, 437,568.15 and 197,233.70 is: 295,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,712.10 : 437,568.15 = 197,233.70 : x
  2. Step 2: Convert to fraction form
    291,712.10/437,568.15 = 197,233.70/x
  3. Step 3: Cross multiply
    291,712.10x = 437,568.15 × 197,233.70
  4. Step 4: Simplify right side
    291,712.10x = 86,303,185,226.66
  5. Step 5: Solve for x
    x = 86,303,185,226.66/291,712.10
  6. Step 6: Final answer
    x = 295,850.55

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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.