Home / 189,908.17-284,900.67-84,727.13

Finding the Fourth Proportional to 189,908.17, 284,900.67 and 84,727.13

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Solution

The fourth proportional to 189,908.17, 284,900.67 and 84,727.13 is: 127,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,908.17 : 284,900.67 = 84,727.13 : x
  2. Step 2: Convert to fraction form
    189,908.17/284,900.67 = 84,727.13/x
  3. Step 3: Cross multiply
    189,908.17x = 284,900.67 × 84,727.13
  4. Step 4: Simplify right side
    189,908.17x = 24,138,816,104.18
  5. Step 5: Solve for x
    x = 24,138,816,104.18/189,908.17
  6. Step 6: Final answer
    x = 127,107.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.