Home / 211,757.40-316,112.90-181,445.27

Finding the Fourth Proportional to 211,757.40, 316,112.90 and 181,445.27

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Solution

The fourth proportional to 211,757.40, 316,112.90 and 181,445.27 is: 270,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,757.40 : 316,112.90 = 181,445.27 : x
  2. Step 2: Convert to fraction form
    211,757.40/316,112.90 = 181,445.27/x
  3. Step 3: Cross multiply
    211,757.40x = 316,112.90 × 181,445.27
  4. Step 4: Simplify right side
    211,757.40x = 57,357,188,003.19
  5. Step 5: Solve for x
    x = 57,357,188,003.19/211,757.40
  6. Step 6: Final answer
    x = 270,862.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.