Home / 205,153.32-283,111.91-114,509.28

Finding the Fourth Proportional to 205,153.32, 283,111.91 and 114,509.28

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Solution

The fourth proportional to 205,153.32, 283,111.91 and 114,509.28 is: 158,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,153.32 : 283,111.91 = 114,509.28 : x
  2. Step 2: Convert to fraction form
    205,153.32/283,111.91 = 114,509.28/x
  3. Step 3: Cross multiply
    205,153.32x = 283,111.91 × 114,509.28
  4. Step 4: Simplify right side
    205,153.32x = 32,418,940,973.52
  5. Step 5: Solve for x
    x = 32,418,940,973.52/205,153.32
  6. Step 6: Final answer
    x = 158,022.99

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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.