Home / 181,928.20-272,892.30-137,313.40

Finding the Fourth Proportional to 181,928.20, 272,892.30 and 137,313.40

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Solution

The fourth proportional to 181,928.20, 272,892.30 and 137,313.40 is: 205,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,928.20 : 272,892.30 = 137,313.40 : x
  2. Step 2: Convert to fraction form
    181,928.20/272,892.30 = 137,313.40/x
  3. Step 3: Cross multiply
    181,928.20x = 272,892.30 × 137,313.40
  4. Step 4: Simplify right side
    181,928.20x = 37,471,769,546.82
  5. Step 5: Solve for x
    x = 37,471,769,546.82/181,928.20
  6. Step 6: Final answer
    x = 205,970.10

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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.