Home / 126,224.60-189,156.45-92,681.48

Finding the Fourth Proportional to 126,224.60, 189,156.45 and 92,681.48

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Solution

The fourth proportional to 126,224.60, 189,156.45 and 92,681.48 is: 138,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,224.60 : 189,156.45 = 92,681.48 : x
  2. Step 2: Convert to fraction form
    126,224.60/189,156.45 = 92,681.48/x
  3. Step 3: Cross multiply
    126,224.60x = 189,156.45 × 92,681.48
  4. Step 4: Simplify right side
    126,224.60x = 17,531,299,737.55
  5. Step 5: Solve for x
    x = 17,531,299,737.55/126,224.60
  6. Step 6: Final answer
    x = 138,889.72

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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.