Home / 189,949.92-262,127.66-105,066.92

Finding the Fourth Proportional to 189,949.92, 262,127.66 and 105,066.92

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Solution

The fourth proportional to 189,949.92, 262,127.66 and 105,066.92 is: 144,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,949.92 : 262,127.66 = 105,066.92 : x
  2. Step 2: Convert to fraction form
    189,949.92/262,127.66 = 105,066.92/x
  3. Step 3: Cross multiply
    189,949.92x = 262,127.66 × 105,066.92
  4. Step 4: Simplify right side
    189,949.92x = 27,540,944,047.03
  5. Step 5: Solve for x
    x = 27,540,944,047.03/189,949.92
  6. Step 6: Final answer
    x = 144,990.55

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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.