Home / 211,377.54-291,700.94-115,882.19

Finding the Fourth Proportional to 211,377.54, 291,700.94 and 115,882.19

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Solution

The fourth proportional to 211,377.54, 291,700.94 and 115,882.19 is: 159,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,377.54 : 291,700.94 = 115,882.19 : x
  2. Step 2: Convert to fraction form
    211,377.54/291,700.94 = 115,882.19/x
  3. Step 3: Cross multiply
    211,377.54x = 291,700.94 × 115,882.19
  4. Step 4: Simplify right side
    211,377.54x = 33,802,941,714.34
  5. Step 5: Solve for x
    x = 33,802,941,714.34/211,377.54
  6. Step 6: Final answer
    x = 159,917.38

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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.