Home / 205,656.80-283,804.36-115,011.72

Finding the Fourth Proportional to 205,656.80, 283,804.36 and 115,011.72

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Solution

The fourth proportional to 205,656.80, 283,804.36 and 115,011.72 is: 158,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,656.80 : 283,804.36 = 115,011.72 : x
  2. Step 2: Convert to fraction form
    205,656.80/283,804.36 = 115,011.72/x
  3. Step 3: Cross multiply
    205,656.80x = 283,804.36 × 115,011.72
  4. Step 4: Simplify right side
    205,656.80x = 32,640,827,587.10
  5. Step 5: Solve for x
    x = 32,640,827,587.10/205,656.80
  6. Step 6: Final answer
    x = 158,715.04

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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.