Home / 293,132.80-438,824.40-174,743.20

Finding the Fourth Proportional to 293,132.80, 438,824.40 and 174,743.20

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Solution

The fourth proportional to 293,132.80, 438,824.40 and 174,743.20 is: 261,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,132.80 : 438,824.40 = 174,743.20 : x
  2. Step 2: Convert to fraction form
    293,132.80/438,824.40 = 174,743.20/x
  3. Step 3: Cross multiply
    293,132.80x = 438,824.40 × 174,743.20
  4. Step 4: Simplify right side
    293,132.80x = 76,681,579,894.08
  5. Step 5: Solve for x
    x = 76,681,579,894.08/293,132.80
  6. Step 6: Final answer
    x = 261,593.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.