Home / 320,072.81-441,705.09-176,836.14

Finding the Fourth Proportional to 320,072.81, 441,705.09 and 176,836.14

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Solution

The fourth proportional to 320,072.81, 441,705.09 and 176,836.14 is: 244,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,072.81 : 441,705.09 = 176,836.14 : x
  2. Step 2: Convert to fraction form
    320,072.81/441,705.09 = 176,836.14/x
  3. Step 3: Cross multiply
    320,072.81x = 441,705.09 × 176,836.14
  4. Step 4: Simplify right side
    320,072.81x = 78,109,423,133.95
  5. Step 5: Solve for x
    x = 78,109,423,133.95/320,072.81
  6. Step 6: Final answer
    x = 244,036.43

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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.