Home / 189,181.82-283,630.56-89,285.13

Finding the Fourth Proportional to 189,181.82, 283,630.56 and 89,285.13

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Solution

The fourth proportional to 189,181.82, 283,630.56 and 89,285.13 is: 133,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,181.82 : 283,630.56 = 89,285.13 : x
  2. Step 2: Convert to fraction form
    189,181.82/283,630.56 = 89,285.13/x
  3. Step 3: Cross multiply
    189,181.82x = 283,630.56 × 89,285.13
  4. Step 4: Simplify right side
    189,181.82x = 25,323,991,421.57
  5. Step 5: Solve for x
    x = 25,323,991,421.57/189,181.82
  6. Step 6: Final answer
    x = 133,860.60

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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.