Home / 205,068.32-283,045.84-115,696.16

Finding the Fourth Proportional to 205,068.32, 283,045.84 and 115,696.16

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Solution

The fourth proportional to 205,068.32, 283,045.84 and 115,696.16 is: 159,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,068.32 : 283,045.84 = 115,696.16 : x
  2. Step 2: Convert to fraction form
    205,068.32/283,045.84 = 115,696.16/x
  3. Step 3: Cross multiply
    205,068.32x = 283,045.84 × 115,696.16
  4. Step 4: Simplify right side
    205,068.32x = 32,747,316,791.97
  5. Step 5: Solve for x
    x = 32,747,316,791.97/205,068.32
  6. Step 6: Final answer
    x = 159,689.79

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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.