Home / 136,958.07-189,054.81-122,592.52

Finding the Fourth Proportional to 136,958.07, 189,054.81 and 122,592.52

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Solution

The fourth proportional to 136,958.07, 189,054.81 and 122,592.52 is: 169,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,958.07 : 189,054.81 = 122,592.52 : x
  2. Step 2: Convert to fraction form
    136,958.07/189,054.81 = 122,592.52/x
  3. Step 3: Cross multiply
    136,958.07x = 189,054.81 × 122,592.52
  4. Step 4: Simplify right side
    136,958.07x = 23,176,705,812.34
  5. Step 5: Solve for x
    x = 23,176,705,812.34/136,958.07
  6. Step 6: Final answer
    x = 169,224.82

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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.