Home / 189,335.32-261,284.34-104,458.12

Finding the Fourth Proportional to 189,335.32, 261,284.34 and 104,458.12

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Solution

The fourth proportional to 189,335.32, 261,284.34 and 104,458.12 is: 144,153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,335.32 : 261,284.34 = 104,458.12 : x
  2. Step 2: Convert to fraction form
    189,335.32/261,284.34 = 104,458.12/x
  3. Step 3: Cross multiply
    189,335.32x = 261,284.34 × 104,458.12
  4. Step 4: Simplify right side
    189,335.32x = 27,293,270,941.84
  5. Step 5: Solve for x
    x = 27,293,270,941.84/189,335.32
  6. Step 6: Final answer
    x = 144,153.09

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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.