Home / 189,688.91-284,552.42-54,756.36

Finding the Fourth Proportional to 189,688.91, 284,552.42 and 54,756.36

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Solution

The fourth proportional to 189,688.91, 284,552.42 and 54,756.36 is: 82,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,688.91 : 284,552.42 = 54,756.36 : x
  2. Step 2: Convert to fraction form
    189,688.91/284,552.42 = 54,756.36/x
  3. Step 3: Cross multiply
    189,688.91x = 284,552.42 × 54,756.36
  4. Step 4: Simplify right side
    189,688.91x = 15,581,054,474.61
  5. Step 5: Solve for x
    x = 15,581,054,474.61/189,688.91
  6. Step 6: Final answer
    x = 82,140.04

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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.