Home / 144,588.96-199,508.94-90,835.92

Finding the Fourth Proportional to 144,588.96, 199,508.94 and 90,835.92

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Solution

The fourth proportional to 144,588.96, 199,508.94 and 90,835.92 is: 125,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,588.96 : 199,508.94 = 90,835.92 : x
  2. Step 2: Convert to fraction form
    144,588.96/199,508.94 = 90,835.92/x
  3. Step 3: Cross multiply
    144,588.96x = 199,508.94 × 90,835.92
  4. Step 4: Simplify right side
    144,588.96x = 18,122,578,113.12
  5. Step 5: Solve for x
    x = 18,122,578,113.12/144,588.96
  6. Step 6: Final answer
    x = 125,338.60

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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.