Home / 126,308.07-189,462.30-37,562.43

Finding the Fourth Proportional to 126,308.07, 189,462.30 and 37,562.43

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Solution

The fourth proportional to 126,308.07, 189,462.30 and 37,562.43 is: 56,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,308.07 : 189,462.30 = 37,562.43 : x
  2. Step 2: Convert to fraction form
    126,308.07/189,462.30 = 37,562.43/x
  3. Step 3: Cross multiply
    126,308.07x = 189,462.30 × 37,562.43
  4. Step 4: Simplify right side
    126,308.07x = 7,116,664,381.39
  5. Step 5: Solve for x
    x = 7,116,664,381.39/126,308.07
  6. Step 6: Final answer
    x = 56,343.70

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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.