Home / 232,376.40-320,748.12-136,913.94

Finding the Fourth Proportional to 232,376.40, 320,748.12 and 136,913.94

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Solution

The fourth proportional to 232,376.40, 320,748.12 and 136,913.94 is: 188,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,376.40 : 320,748.12 = 136,913.94 : x
  2. Step 2: Convert to fraction form
    232,376.40/320,748.12 = 136,913.94/x
  3. Step 3: Cross multiply
    232,376.40x = 320,748.12 × 136,913.94
  4. Step 4: Simplify right side
    232,376.40x = 43,914,888,856.79
  5. Step 5: Solve for x
    x = 43,914,888,856.79/232,376.40
  6. Step 6: Final answer
    x = 188,981.71

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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.