Home / 211,120.32-291,345.90-114,324.14

Finding the Fourth Proportional to 211,120.32, 291,345.90 and 114,324.14

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Solution

The fourth proportional to 211,120.32, 291,345.90 and 114,324.14 is: 157,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,120.32 : 291,345.90 = 114,324.14 : x
  2. Step 2: Convert to fraction form
    211,120.32/291,345.90 = 114,324.14/x
  3. Step 3: Cross multiply
    211,120.32x = 291,345.90 × 114,324.14
  4. Step 4: Simplify right side
    211,120.32x = 33,307,869,759.68
  5. Step 5: Solve for x
    x = 33,307,869,759.68/211,120.32
  6. Step 6: Final answer
    x = 157,767.24

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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.