Home / 181,732.80-272,599.20-131,966.40

Finding the Fourth Proportional to 181,732.80, 272,599.20 and 131,966.40

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Solution

The fourth proportional to 181,732.80, 272,599.20 and 131,966.40 is: 197,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,732.80 : 272,599.20 = 131,966.40 : x
  2. Step 2: Convert to fraction form
    181,732.80/272,599.20 = 131,966.40/x
  3. Step 3: Cross multiply
    181,732.80x = 272,599.20 × 131,966.40
  4. Step 4: Simplify right side
    181,732.80x = 35,973,935,066.88
  5. Step 5: Solve for x
    x = 35,973,935,066.88/181,732.80
  6. Step 6: Final answer
    x = 197,949.60

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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.