Home / 189,741.68-261,841.11-104,856.92

Finding the Fourth Proportional to 189,741.68, 261,841.11 and 104,856.92

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Solution

The fourth proportional to 189,741.68, 261,841.11 and 104,856.92 is: 144,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,741.68 : 261,841.11 = 104,856.92 : x
  2. Step 2: Convert to fraction form
    189,741.68/261,841.11 = 104,856.92/x
  3. Step 3: Cross multiply
    189,741.68x = 261,841.11 × 104,856.92
  4. Step 4: Simplify right side
    189,741.68x = 27,455,852,323.98
  5. Step 5: Solve for x
    x = 27,455,852,323.98/189,741.68
  6. Step 6: Final answer
    x = 144,701.22

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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.