Home / 316,284.14-436,478.42-173,047.25

Finding the Fourth Proportional to 316,284.14, 436,478.42 and 173,047.25

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Solution

The fourth proportional to 316,284.14, 436,478.42 and 173,047.25 is: 238,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,284.14 : 436,478.42 = 173,047.25 : x
  2. Step 2: Convert to fraction form
    316,284.14/436,478.42 = 173,047.25/x
  3. Step 3: Cross multiply
    316,284.14x = 436,478.42 × 173,047.25
  4. Step 4: Simplify right side
    316,284.14x = 75,531,391,789.16
  5. Step 5: Solve for x
    x = 75,531,391,789.16/316,284.14
  6. Step 6: Final answer
    x = 238,808.66

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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.