Home / 262,781.35-392,731.99-191,853.37

Finding the Fourth Proportional to 262,781.35, 392,731.99 and 191,853.37

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Solution

The fourth proportional to 262,781.35, 392,731.99 and 191,853.37 is: 286,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,781.35 : 392,731.99 = 191,853.37 : x
  2. Step 2: Convert to fraction form
    262,781.35/392,731.99 = 191,853.37/x
  3. Step 3: Cross multiply
    262,781.35x = 392,731.99 × 191,853.37
  4. Step 4: Simplify right side
    262,781.35x = 75,346,953,824.65
  5. Step 5: Solve for x
    x = 75,346,953,824.65/262,781.35
  6. Step 6: Final answer
    x = 286,728.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.