Home / 319,168.49-440,447.13-173,975.83

Finding the Fourth Proportional to 319,168.49, 440,447.13 and 173,975.83

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Solution

The fourth proportional to 319,168.49, 440,447.13 and 173,975.83 is: 240,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,168.49 : 440,447.13 = 173,975.83 : x
  2. Step 2: Convert to fraction form
    319,168.49/440,447.13 = 173,975.83/x
  3. Step 3: Cross multiply
    319,168.49x = 440,447.13 × 173,975.83
  4. Step 4: Simplify right side
    319,168.49x = 76,627,153,911.75
  5. Step 5: Solve for x
    x = 76,627,153,911.75/319,168.49
  6. Step 6: Final answer
    x = 240,083.71

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1.5x scale

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.