Home / 211,589.11-291,998.36-116,095.78

Finding the Fourth Proportional to 211,589.11, 291,998.36 and 116,095.78

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Solution

The fourth proportional to 211,589.11, 291,998.36 and 116,095.78 is: 160,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,589.11 : 291,998.36 = 116,095.78 : x
  2. Step 2: Convert to fraction form
    211,589.11/291,998.36 = 116,095.78/x
  3. Step 3: Cross multiply
    211,589.11x = 291,998.36 × 116,095.78
  4. Step 4: Simplify right side
    211,589.11x = 33,899,777,362.92
  5. Step 5: Solve for x
    x = 33,899,777,362.92/211,589.11
  6. Step 6: Final answer
    x = 160,215.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.