Home / 293,597.36-405,139.62-162,778.51

Finding the Fourth Proportional to 293,597.36, 405,139.62 and 162,778.51

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Solution

The fourth proportional to 293,597.36, 405,139.62 and 162,778.51 is: 224,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,597.36 : 405,139.62 = 162,778.51 : x
  2. Step 2: Convert to fraction form
    293,597.36/405,139.62 = 162,778.51/x
  3. Step 3: Cross multiply
    293,597.36x = 405,139.62 × 162,778.51
  4. Step 4: Simplify right side
    293,597.36x = 65,948,023,685.57
  5. Step 5: Solve for x
    x = 65,948,023,685.57/293,597.36
  6. Step 6: Final answer
    x = 224,620.63

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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.