Home / 316,663.24-436,979.04-173,395.60

Finding the Fourth Proportional to 316,663.24, 436,979.04 and 173,395.60

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Solution

The fourth proportional to 316,663.24, 436,979.04 and 173,395.60 is: 239,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,663.24 : 436,979.04 = 173,395.60 : x
  2. Step 2: Convert to fraction form
    316,663.24/436,979.04 = 173,395.60/x
  3. Step 3: Cross multiply
    316,663.24x = 436,979.04 × 173,395.60
  4. Step 4: Simplify right side
    316,663.24x = 75,770,242,828.22
  5. Step 5: Solve for x
    x = 75,770,242,828.22/316,663.24
  6. Step 6: Final answer
    x = 239,277.04

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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.