Home / 189,019.20-283,430.32-89,152.56

Finding the Fourth Proportional to 189,019.20, 283,430.32 and 89,152.56

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Solution

The fourth proportional to 189,019.20, 283,430.32 and 89,152.56 is: 133,682.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,019.20 : 283,430.32 = 89,152.56 : x
  2. Step 2: Convert to fraction form
    189,019.20/283,430.32 = 89,152.56/x
  3. Step 3: Cross multiply
    189,019.20x = 283,430.32 × 89,152.56
  4. Step 4: Simplify right side
    189,019.20x = 25,268,538,609.62
  5. Step 5: Solve for x
    x = 25,268,538,609.62/189,019.20
  6. Step 6: Final answer
    x = 133,682.39

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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.