Home / 265,170.47-397,805.22-87,802.34

Finding the Fourth Proportional to 265,170.47, 397,805.22 and 87,802.34

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Solution

The fourth proportional to 265,170.47, 397,805.22 and 87,802.34 is: 131,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,170.47 : 397,805.22 = 87,802.34 : x
  2. Step 2: Convert to fraction form
    265,170.47/397,805.22 = 87,802.34/x
  3. Step 3: Cross multiply
    265,170.47x = 397,805.22 × 87,802.34
  4. Step 4: Simplify right side
    265,170.47x = 34,928,230,174.73
  5. Step 5: Solve for x
    x = 34,928,230,174.73/265,170.47
  6. Step 6: Final answer
    x = 131,719.91

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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.