Home / 236,238.30-354,393.15-76,260.78

Finding the Fourth Proportional to 236,238.30, 354,393.15 and 76,260.78

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Solution

The fourth proportional to 236,238.30, 354,393.15 and 76,260.78 is: 114,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,238.30 : 354,393.15 = 76,260.78 : x
  2. Step 2: Convert to fraction form
    236,238.30/354,393.15 = 76,260.78/x
  3. Step 3: Cross multiply
    236,238.30x = 354,393.15 × 76,260.78
  4. Step 4: Simplify right side
    236,238.30x = 27,026,298,045.66
  5. Step 5: Solve for x
    x = 27,026,298,045.66/236,238.30
  6. Step 6: Final answer
    x = 114,402.69

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1.5x scale

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.