Home / 387,754.56-535,196.16-236,977.92

Finding the Fourth Proportional to 387,754.56, 535,196.16 and 236,977.92

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Solution

The fourth proportional to 387,754.56, 535,196.16 and 236,977.92 is: 327,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,754.56 : 535,196.16 = 236,977.92 : x
  2. Step 2: Convert to fraction form
    387,754.56/535,196.16 = 236,977.92/x
  3. Step 3: Cross multiply
    387,754.56x = 535,196.16 × 236,977.92
  4. Step 4: Simplify right side
    387,754.56x = 126,829,672,788.79
  5. Step 5: Solve for x
    x = 126,829,672,788.79/387,754.56
  6. Step 6: Final answer
    x = 327,087.51

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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.