Home / 205,386.82-283,433.78-114,742.81

Finding the Fourth Proportional to 205,386.82, 283,433.78 and 114,742.81

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Solution

The fourth proportional to 205,386.82, 283,433.78 and 114,742.81 is: 158,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,386.82 : 283,433.78 = 114,742.81 : x
  2. Step 2: Convert to fraction form
    205,386.82/283,433.78 = 114,742.81/x
  3. Step 3: Cross multiply
    205,386.82x = 283,433.78 × 114,742.81
  4. Step 4: Simplify right side
    205,386.82x = 32,521,989,007.27
  5. Step 5: Solve for x
    x = 32,521,989,007.27/205,386.82
  6. Step 6: Final answer
    x = 158,345.07

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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.