Home / 331,738.16-457,808.40-188,504.24

Finding the Fourth Proportional to 331,738.16, 457,808.40 and 188,504.24

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Solution

The fourth proportional to 331,738.16, 457,808.40 and 188,504.24 is: 260,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,738.16 : 457,808.40 = 188,504.24 : x
  2. Step 2: Convert to fraction form
    331,738.16/457,808.40 = 188,504.24/x
  3. Step 3: Cross multiply
    331,738.16x = 457,808.40 × 188,504.24
  4. Step 4: Simplify right side
    331,738.16x = 86,298,822,218.57
  5. Step 5: Solve for x
    x = 86,298,822,218.57/331,738.16
  6. Step 6: Final answer
    x = 260,141.38

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1.5x scale

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.