Home / 189,062.32-260,911.56-104,184.85

Finding the Fourth Proportional to 189,062.32, 260,911.56 and 104,184.85

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Solution

The fourth proportional to 189,062.32, 260,911.56 and 104,184.85 is: 143,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,062.32 : 260,911.56 = 104,184.85 : x
  2. Step 2: Convert to fraction form
    189,062.32/260,911.56 = 104,184.85/x
  3. Step 3: Cross multiply
    189,062.32x = 260,911.56 × 104,184.85
  4. Step 4: Simplify right side
    189,062.32x = 27,183,031,741.87
  5. Step 5: Solve for x
    x = 27,183,031,741.87/189,062.32
  6. Step 6: Final answer
    x = 143,778.16

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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.