Home / 126,158.60-189,238.64-37,412.84

Finding the Fourth Proportional to 126,158.60, 189,238.64 and 37,412.84

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Solution

The fourth proportional to 126,158.60, 189,238.64 and 37,412.84 is: 56,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,158.60 : 189,238.64 = 37,412.84 : x
  2. Step 2: Convert to fraction form
    126,158.60/189,238.64 = 37,412.84/x
  3. Step 3: Cross multiply
    126,158.60x = 189,238.64 × 37,412.84
  4. Step 4: Simplify right side
    126,158.60x = 7,079,953,826.88
  5. Step 5: Solve for x
    x = 7,079,953,826.88/126,158.60
  6. Step 6: Final answer
    x = 56,119.47

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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.