Home / 144,601.13-199,557.20-90,866.27

Finding the Fourth Proportional to 144,601.13, 199,557.20 and 90,866.27

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Solution

The fourth proportional to 144,601.13, 199,557.20 and 90,866.27 is: 125,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,601.13 : 199,557.20 = 90,866.27 : x
  2. Step 2: Convert to fraction form
    144,601.13/199,557.20 = 90,866.27/x
  3. Step 3: Cross multiply
    144,601.13x = 199,557.20 × 90,866.27
  4. Step 4: Simplify right side
    144,601.13x = 18,133,017,961.31
  5. Step 5: Solve for x
    x = 18,133,017,961.31/144,601.13
  6. Step 6: Final answer
    x = 125,400.25

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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.