Home / 316,360.65-436,577.73-173,120.70

Finding the Fourth Proportional to 316,360.65, 436,577.73 and 173,120.70

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Solution

The fourth proportional to 316,360.65, 436,577.73 and 173,120.70 is: 238,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,360.65 : 436,577.73 = 173,120.70 : x
  2. Step 2: Convert to fraction form
    316,360.65/436,577.73 = 173,120.70/x
  3. Step 3: Cross multiply
    316,360.65x = 436,577.73 × 173,120.70
  4. Step 4: Simplify right side
    316,360.65x = 75,580,642,222.01
  5. Step 5: Solve for x
    x = 75,580,642,222.01/316,360.65
  6. Step 6: Final answer
    x = 238,906.58

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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.