Home / 189,773.28-284,461.61-89,814.42

Finding the Fourth Proportional to 189,773.28, 284,461.61 and 89,814.42

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Solution

The fourth proportional to 189,773.28, 284,461.61 and 89,814.42 is: 134,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,773.28 : 284,461.61 = 89,814.42 : x
  2. Step 2: Convert to fraction form
    189,773.28/284,461.61 = 89,814.42/x
  3. Step 3: Cross multiply
    189,773.28x = 284,461.61 × 89,814.42
  4. Step 4: Simplify right side
    189,773.28x = 25,548,754,065.34
  5. Step 5: Solve for x
    x = 25,548,754,065.34/189,773.28
  6. Step 6: Final answer
    x = 134,627.77

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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.