Home / 343,848.23-515,715.74-91,144.43

Finding the Fourth Proportional to 343,848.23, 515,715.74 and 91,144.43

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Solution

The fourth proportional to 343,848.23, 515,715.74 and 91,144.43 is: 136,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,848.23 : 515,715.74 = 91,144.43 : x
  2. Step 2: Convert to fraction form
    343,848.23/515,715.74 = 91,144.43/x
  3. Step 3: Cross multiply
    343,848.23x = 515,715.74 × 91,144.43
  4. Step 4: Simplify right side
    343,848.23x = 47,004,617,164.33
  5. Step 5: Solve for x
    x = 47,004,617,164.33/343,848.23
  6. Step 6: Final answer
    x = 136,701.64

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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.