Home / 205,385.06-283,403.32-114,729.81

Finding the Fourth Proportional to 205,385.06, 283,403.32 and 114,729.81

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Solution

The fourth proportional to 205,385.06, 283,403.32 and 114,729.81 is: 158,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,385.06 : 283,403.32 = 114,729.81 : x
  2. Step 2: Convert to fraction form
    205,385.06/283,403.32 = 114,729.81/x
  3. Step 3: Cross multiply
    205,385.06x = 283,403.32 × 114,729.81
  4. Step 4: Simplify right side
    205,385.06x = 32,514,807,639.95
  5. Step 5: Solve for x
    x = 32,514,807,639.95/205,385.06
  6. Step 6: Final answer
    x = 158,311.46

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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.