Home / 355,873.40-533,816.27-131,118.14

Finding the Fourth Proportional to 355,873.40, 533,816.27 and 131,118.14

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Solution

The fourth proportional to 355,873.40, 533,816.27 and 131,118.14 is: 196,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,873.40 : 533,816.27 = 131,118.14 : x
  2. Step 2: Convert to fraction form
    355,873.40/533,816.27 = 131,118.14/x
  3. Step 3: Cross multiply
    355,873.40x = 533,816.27 × 131,118.14
  4. Step 4: Simplify right side
    355,873.40x = 69,992,996,424.14
  5. Step 5: Solve for x
    x = 69,992,996,424.14/355,873.40
  6. Step 6: Final answer
    x = 196,679.48

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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.