Home / 316,482.46-436,749.96-173,239.42

Finding the Fourth Proportional to 316,482.46, 436,749.96 and 173,239.42

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Solution

The fourth proportional to 316,482.46, 436,749.96 and 173,239.42 is: 239,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,482.46 : 436,749.96 = 173,239.42 : x
  2. Step 2: Convert to fraction form
    316,482.46/436,749.96 = 173,239.42/x
  3. Step 3: Cross multiply
    316,482.46x = 436,749.96 × 173,239.42
  4. Step 4: Simplify right side
    316,482.46x = 75,662,309,755.42
  5. Step 5: Solve for x
    x = 75,662,309,755.42/316,482.46
  6. Step 6: Final answer
    x = 239,072.68

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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.