Home / 316,331.38-436,537.28-173,091.41

Finding the Fourth Proportional to 316,331.38, 436,537.28 and 173,091.41

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Solution

The fourth proportional to 316,331.38, 436,537.28 and 173,091.41 is: 238,866.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,331.38 : 436,537.28 = 173,091.41 : x
  2. Step 2: Convert to fraction form
    316,331.38/436,537.28 = 173,091.41/x
  3. Step 3: Cross multiply
    316,331.38x = 436,537.28 × 173,091.41
  4. Step 4: Simplify right side
    316,331.38x = 75,560,855,655.34
  5. Step 5: Solve for x
    x = 75,560,855,655.34/316,331.38
  6. Step 6: Final answer
    x = 238,866.14

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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.