Home / 144,439.37-199,376.43-99,266.88

Finding the Fourth Proportional to 144,439.37, 199,376.43 and 99,266.88

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Solution

The fourth proportional to 144,439.37, 199,376.43 and 99,266.88 is: 137,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,439.37 : 199,376.43 = 99,266.88 : x
  2. Step 2: Convert to fraction form
    144,439.37/199,376.43 = 99,266.88/x
  3. Step 3: Cross multiply
    144,439.37x = 199,376.43 × 99,266.88
  4. Step 4: Simplify right side
    144,439.37x = 19,791,475,655.30
  5. Step 5: Solve for x
    x = 19,791,475,655.30/144,439.37
  6. Step 6: Final answer
    x = 137,022.73

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1.5x scale

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.