Home / 189,931.84-284,914.92-54,993.94

Finding the Fourth Proportional to 189,931.84, 284,914.92 and 54,993.94

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Solution

The fourth proportional to 189,931.84, 284,914.92 and 54,993.94 is: 82,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,931.84 : 284,914.92 = 54,993.94 : x
  2. Step 2: Convert to fraction form
    189,931.84/284,914.92 = 54,993.94/x
  3. Step 3: Cross multiply
    189,931.84x = 284,914.92 × 54,993.94
  4. Step 4: Simplify right side
    189,931.84x = 15,668,593,200.18
  5. Step 5: Solve for x
    x = 15,668,593,200.18/189,931.84
  6. Step 6: Final answer
    x = 82,495.88

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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.