Home / 155,736.02-233,633.15-72,630.02

Finding the Fourth Proportional to 155,736.02, 233,633.15 and 72,630.02

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Solution

The fourth proportional to 155,736.02, 233,633.15 and 72,630.02 is: 108,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,736.02 : 233,633.15 = 72,630.02 : x
  2. Step 2: Convert to fraction form
    155,736.02/233,633.15 = 72,630.02/x
  3. Step 3: Cross multiply
    155,736.02x = 233,633.15 × 72,630.02
  4. Step 4: Simplify right side
    155,736.02x = 16,968,780,357.16
  5. Step 5: Solve for x
    x = 16,968,780,357.16/155,736.02
  6. Step 6: Final answer
    x = 108,958.61

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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.