Home / 320,072.68-441,709.06-176,841.78

Finding the Fourth Proportional to 320,072.68, 441,709.06 and 176,841.78

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Solution

The fourth proportional to 320,072.68, 441,709.06 and 176,841.78 is: 244,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,072.68 : 441,709.06 = 176,841.78 : x
  2. Step 2: Convert to fraction form
    320,072.68/441,709.06 = 176,841.78/x
  3. Step 3: Cross multiply
    320,072.68x = 441,709.06 × 176,841.78
  4. Step 4: Simplify right side
    320,072.68x = 78,112,616,412.53
  5. Step 5: Solve for x
    x = 78,112,616,412.53/320,072.68
  6. Step 6: Final answer
    x = 244,046.50

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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.