Home / 126,009.14-189,041.31-92,627.96

Finding the Fourth Proportional to 126,009.14, 189,041.31 and 92,627.96

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Solution

The fourth proportional to 126,009.14, 189,041.31 and 92,627.96 is: 138,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,009.14 : 189,041.31 = 92,627.96 : x
  2. Step 2: Convert to fraction form
    126,009.14/189,041.31 = 92,627.96/x
  3. Step 3: Cross multiply
    126,009.14x = 189,041.31 × 92,627.96
  4. Step 4: Simplify right side
    126,009.14x = 17,510,509,955.82
  5. Step 5: Solve for x
    x = 17,510,509,955.82/126,009.14
  6. Step 6: Final answer
    x = 138,962.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.