Home / 265,218.90-397,828.35-181,238.10

Finding the Fourth Proportional to 265,218.90, 397,828.35 and 181,238.10

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Solution

The fourth proportional to 265,218.90, 397,828.35 and 181,238.10 is: 271,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,218.90 : 397,828.35 = 181,238.10 : x
  2. Step 2: Convert to fraction form
    265,218.90/397,828.35 = 181,238.10/x
  3. Step 3: Cross multiply
    265,218.90x = 397,828.35 × 181,238.10
  4. Step 4: Simplify right side
    265,218.90x = 72,101,654,280.14
  5. Step 5: Solve for x
    x = 72,101,654,280.14/265,218.90
  6. Step 6: Final answer
    x = 271,857.15

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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.