Home / 236,230.94-354,341.54-78,460.76

Finding the Fourth Proportional to 236,230.94, 354,341.54 and 78,460.76

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Solution

The fourth proportional to 236,230.94, 354,341.54 and 78,460.76 is: 117,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,230.94 : 354,341.54 = 78,460.76 : x
  2. Step 2: Convert to fraction form
    236,230.94/354,341.54 = 78,460.76/x
  3. Step 3: Cross multiply
    236,230.94x = 354,341.54 × 78,460.76
  4. Step 4: Simplify right side
    236,230.94x = 27,801,906,527.97
  5. Step 5: Solve for x
    x = 27,801,906,527.97/236,230.94
  6. Step 6: Final answer
    x = 117,689.52

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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.