Home / 155,976.08-215,233.80-92,302.64

Finding the Fourth Proportional to 155,976.08, 215,233.80 and 92,302.64

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Solution

The fourth proportional to 155,976.08, 215,233.80 and 92,302.64 is: 127,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,976.08 : 215,233.80 = 92,302.64 : x
  2. Step 2: Convert to fraction form
    155,976.08/215,233.80 = 92,302.64/x
  3. Step 3: Cross multiply
    155,976.08x = 215,233.80 × 92,302.64
  4. Step 4: Simplify right side
    155,976.08x = 19,866,647,957.23
  5. Step 5: Solve for x
    x = 19,866,647,957.23/155,976.08
  6. Step 6: Final answer
    x = 127,369.84

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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.