Home / 211,551.20-291,959.10-116,076.56

Finding the Fourth Proportional to 211,551.20, 291,959.10 and 116,076.56

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Solution

The fourth proportional to 211,551.20, 291,959.10 and 116,076.56 is: 160,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,551.20 : 291,959.10 = 116,076.56 : x
  2. Step 2: Convert to fraction form
    211,551.20/291,959.10 = 116,076.56/x
  3. Step 3: Cross multiply
    211,551.20x = 291,959.10 × 116,076.56
  4. Step 4: Simplify right side
    211,551.20x = 33,889,607,988.70
  5. Step 5: Solve for x
    x = 33,889,607,988.70/211,551.20
  6. Step 6: Final answer
    x = 160,195.77

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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.