Home / 181,778.51-272,527.27-91,774.91

Finding the Fourth Proportional to 181,778.51, 272,527.27 and 91,774.91

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Solution

The fourth proportional to 181,778.51, 272,527.27 and 91,774.91 is: 137,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,778.51 : 272,527.27 = 91,774.91 : x
  2. Step 2: Convert to fraction form
    181,778.51/272,527.27 = 91,774.91/x
  3. Step 3: Cross multiply
    181,778.51x = 272,527.27 × 91,774.91
  4. Step 4: Simplify right side
    181,778.51x = 25,011,165,676.80
  5. Step 5: Solve for x
    x = 25,011,165,676.80/181,778.51
  6. Step 6: Final answer
    x = 137,591.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.