Home / 189,752.70-284,604.24-89,976.36

Finding the Fourth Proportional to 189,752.70, 284,604.24 and 89,976.36

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Solution

The fourth proportional to 189,752.70, 284,604.24 and 89,976.36 is: 134,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,752.70 : 284,604.24 = 89,976.36 : x
  2. Step 2: Convert to fraction form
    189,752.70/284,604.24 = 89,976.36/x
  3. Step 3: Cross multiply
    189,752.70x = 284,604.24 × 89,976.36
  4. Step 4: Simplify right side
    189,752.70x = 25,607,653,555.77
  5. Step 5: Solve for x
    x = 25,607,653,555.77/189,752.70
  6. Step 6: Final answer
    x = 134,952.78

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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.