Home / 126,238.24-189,488.64-92,995.84

Finding the Fourth Proportional to 126,238.24, 189,488.64 and 92,995.84

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Solution

The fourth proportional to 126,238.24, 189,488.64 and 92,995.84 is: 139,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,238.24 : 189,488.64 = 92,995.84 : x
  2. Step 2: Convert to fraction form
    126,238.24/189,488.64 = 92,995.84/x
  3. Step 3: Cross multiply
    126,238.24x = 189,488.64 × 92,995.84
  4. Step 4: Simplify right side
    126,238.24x = 17,621,655,247.26
  5. Step 5: Solve for x
    x = 17,621,655,247.26/126,238.24
  6. Step 6: Final answer
    x = 139,590.47

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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.