Home / 189,552.39-261,578.80-104,667.63

Finding the Fourth Proportional to 189,552.39, 261,578.80 and 104,667.63

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Solution

The fourth proportional to 189,552.39, 261,578.80 and 104,667.63 is: 144,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552.39 : 261,578.80 = 104,667.63 : x
  2. Step 2: Convert to fraction form
    189,552.39/261,578.80 = 104,667.63/x
  3. Step 3: Cross multiply
    189,552.39x = 261,578.80 × 104,667.63
  4. Step 4: Simplify right side
    189,552.39x = 27,378,833,054.24
  5. Step 5: Solve for x
    x = 27,378,833,054.24/189,552.39
  6. Step 6: Final answer
    x = 144,439.40

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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.