Home / 189,060.57-260,909.15-104,183.10

Finding the Fourth Proportional to 189,060.57, 260,909.15 and 104,183.10

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Solution

The fourth proportional to 189,060.57, 260,909.15 and 104,183.10 is: 143,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,060.57 : 260,909.15 = 104,183.10 : x
  2. Step 2: Convert to fraction form
    189,060.57/260,909.15 = 104,183.10/x
  3. Step 3: Cross multiply
    189,060.57x = 260,909.15 × 104,183.10
  4. Step 4: Simplify right side
    189,060.57x = 27,182,323,544.45
  5. Step 5: Solve for x
    x = 27,182,323,544.45/189,060.57
  6. Step 6: Final answer
    x = 143,775.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.