Home / 387,116.84-534,279.94-236,301.48

Finding the Fourth Proportional to 387,116.84, 534,279.94 and 236,301.48

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Solution

The fourth proportional to 387,116.84, 534,279.94 and 236,301.48 is: 326,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,116.84 : 534,279.94 = 236,301.48 : x
  2. Step 2: Convert to fraction form
    387,116.84/534,279.94 = 236,301.48/x
  3. Step 3: Cross multiply
    387,116.84x = 534,279.94 × 236,301.48
  4. Step 4: Simplify right side
    387,116.84x = 126,251,140,556.31
  5. Step 5: Solve for x
    x = 126,251,140,556.31/387,116.84
  6. Step 6: Final answer
    x = 326,131.87

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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.