Home / 189,050.72-260,901.64-104,167.76

Finding the Fourth Proportional to 189,050.72, 260,901.64 and 104,167.76

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Solution

The fourth proportional to 189,050.72, 260,901.64 and 104,167.76 is: 143,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,050.72 : 260,901.64 = 104,167.76 : x
  2. Step 2: Convert to fraction form
    189,050.72/260,901.64 = 104,167.76/x
  3. Step 3: Cross multiply
    189,050.72x = 260,901.64 × 104,167.76
  4. Step 4: Simplify right side
    189,050.72x = 27,177,539,419.13
  5. Step 5: Solve for x
    x = 27,177,539,419.13/189,050.72
  6. Step 6: Final answer
    x = 143,757.93

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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.