Home / 155,736.52-233,633.90-72,630.52

Finding the Fourth Proportional to 155,736.52, 233,633.90 and 72,630.52

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Solution

The fourth proportional to 155,736.52, 233,633.90 and 72,630.52 is: 108,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,736.52 : 233,633.90 = 72,630.52 : x
  2. Step 2: Convert to fraction form
    155,736.52/233,633.90 = 72,630.52/x
  3. Step 3: Cross multiply
    155,736.52x = 233,633.90 × 72,630.52
  4. Step 4: Simplify right side
    155,736.52x = 16,968,951,646.63
  5. Step 5: Solve for x
    x = 16,968,951,646.63/155,736.52
  6. Step 6: Final answer
    x = 108,959.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.