Home / 211,044.43-291,230.13-115,532.74

Finding the Fourth Proportional to 211,044.43, 291,230.13 and 115,532.74

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Solution

The fourth proportional to 211,044.43, 291,230.13 and 115,532.74 is: 159,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,044.43 : 291,230.13 = 115,532.74 : x
  2. Step 2: Convert to fraction form
    211,044.43/291,230.13 = 115,532.74/x
  3. Step 3: Cross multiply
    211,044.43x = 291,230.13 × 115,532.74
  4. Step 4: Simplify right side
    211,044.43x = 33,646,614,889.46
  5. Step 5: Solve for x
    x = 33,646,614,889.46/211,044.43
  6. Step 6: Final answer
    x = 159,429.06

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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.