Home / 144,655.02-199,624.23-80,995.50

Finding the Fourth Proportional to 144,655.02, 199,624.23 and 80,995.50

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Solution

The fourth proportional to 144,655.02, 199,624.23 and 80,995.50 is: 111,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,655.02 : 199,624.23 = 80,995.50 : x
  2. Step 2: Convert to fraction form
    144,655.02/199,624.23 = 80,995.50/x
  3. Step 3: Cross multiply
    144,655.02x = 199,624.23 × 80,995.50
  4. Step 4: Simplify right side
    144,655.02x = 16,168,664,320.97
  5. Step 5: Solve for x
    x = 16,168,664,320.97/144,655.02
  6. Step 6: Final answer
    x = 111,773.96

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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.