Home / 316,455.24-436,708.86-173,224.42

Finding the Fourth Proportional to 316,455.24, 436,708.86 and 173,224.42

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Solution

The fourth proportional to 316,455.24, 436,708.86 and 173,224.42 is: 239,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,455.24 : 436,708.86 = 173,224.42 : x
  2. Step 2: Convert to fraction form
    316,455.24/436,708.86 = 173,224.42/x
  3. Step 3: Cross multiply
    316,455.24x = 436,708.86 × 173,224.42
  4. Step 4: Simplify right side
    316,455.24x = 75,648,638,982.36
  5. Step 5: Solve for x
    x = 75,648,638,982.36/316,455.24
  6. Step 6: Final answer
    x = 239,050.04

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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.