Home / 144,653.46-199,597.92-90,900.36

Finding the Fourth Proportional to 144,653.46, 199,597.92 and 90,900.36

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Solution

The fourth proportional to 144,653.46, 199,597.92 and 90,900.36 is: 125,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,653.46 : 199,597.92 = 90,900.36 : x
  2. Step 2: Convert to fraction form
    144,653.46/199,597.92 = 90,900.36/x
  3. Step 3: Cross multiply
    144,653.46x = 199,597.92 × 90,900.36
  4. Step 4: Simplify right side
    144,653.46x = 18,143,522,783.25
  5. Step 5: Solve for x
    x = 18,143,522,783.25/144,653.46
  6. Step 6: Final answer
    x = 125,427.51

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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.