Home / 331,705.10-457,753.17-188,465.33

Finding the Fourth Proportional to 331,705.10, 457,753.17 and 188,465.33

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Solution

The fourth proportional to 331,705.10, 457,753.17 and 188,465.33 is: 260,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,705.10 : 457,753.17 = 188,465.33 : x
  2. Step 2: Convert to fraction form
    331,705.10/457,753.17 = 188,465.33/x
  3. Step 3: Cross multiply
    331,705.10x = 457,753.17 × 188,465.33
  4. Step 4: Simplify right side
    331,705.10x = 86,270,599,953.83
  5. Step 5: Solve for x
    x = 86,270,599,953.83/331,705.10
  6. Step 6: Final answer
    x = 260,082.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.