Home / 181,821.60-272,732.40-134,582.40

Finding the Fourth Proportional to 181,821.60, 272,732.40 and 134,582.40

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Solution

The fourth proportional to 181,821.60, 272,732.40 and 134,582.40 is: 201,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,821.60 : 272,732.40 = 134,582.40 : x
  2. Step 2: Convert to fraction form
    181,821.60/272,732.40 = 134,582.40/x
  3. Step 3: Cross multiply
    181,821.60x = 272,732.40 × 134,582.40
  4. Step 4: Simplify right side
    181,821.60x = 36,704,980,949.76
  5. Step 5: Solve for x
    x = 36,704,980,949.76/181,821.60
  6. Step 6: Final answer
    x = 201,873.60

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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.