Home / 144,585.45-199,504.11-90,832.41

Finding the Fourth Proportional to 144,585.45, 199,504.11 and 90,832.41

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Solution

The fourth proportional to 144,585.45, 199,504.11 and 90,832.41 is: 125,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585.45 : 199,504.11 = 90,832.41 : x
  2. Step 2: Convert to fraction form
    144,585.45/199,504.11 = 90,832.41/x
  3. Step 3: Cross multiply
    144,585.45x = 199,504.11 × 90,832.41
  4. Step 4: Simplify right side
    144,585.45x = 18,121,439,116.21
  5. Step 5: Solve for x
    x = 18,121,439,116.21/144,585.45
  6. Step 6: Final answer
    x = 125,333.77

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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.