Home / 205,123.23-283,070.32-114,479.19

Finding the Fourth Proportional to 205,123.23, 283,070.32 and 114,479.19

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Solution

The fourth proportional to 205,123.23, 283,070.32 and 114,479.19 is: 157,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,123.23 : 283,070.32 = 114,479.19 : x
  2. Step 2: Convert to fraction form
    205,123.23/283,070.32 = 114,479.19/x
  3. Step 3: Cross multiply
    205,123.23x = 283,070.32 × 114,479.19
  4. Step 4: Simplify right side
    205,123.23x = 32,405,660,660.44
  5. Step 5: Solve for x
    x = 32,405,660,660.44/205,123.23
  6. Step 6: Final answer
    x = 157,981.43

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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.