Home / 189,204.32-261,097.08-104,319.92

Finding the Fourth Proportional to 189,204.32, 261,097.08 and 104,319.92

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Solution

The fourth proportional to 189,204.32, 261,097.08 and 104,319.92 is: 143,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,204.32 : 261,097.08 = 104,319.92 : x
  2. Step 2: Convert to fraction form
    189,204.32/261,097.08 = 104,319.92/x
  3. Step 3: Cross multiply
    189,204.32x = 261,097.08 × 104,319.92
  4. Step 4: Simplify right side
    189,204.32x = 27,237,626,497.83
  5. Step 5: Solve for x
    x = 27,237,626,497.83/189,204.32
  6. Step 6: Final answer
    x = 143,958.80

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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.