Home / 126,152.91-189,360.59-92,910.51

Finding the Fourth Proportional to 126,152.91, 189,360.59 and 92,910.51

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Solution

The fourth proportional to 126,152.91, 189,360.59 and 92,910.51 is: 139,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,152.91 : 189,360.59 = 92,910.51 : x
  2. Step 2: Convert to fraction form
    126,152.91/189,360.59 = 92,910.51/x
  3. Step 3: Cross multiply
    126,152.91x = 189,360.59 × 92,910.51
  4. Step 4: Simplify right side
    126,152.91x = 17,593,588,526.25
  5. Step 5: Solve for x
    x = 17,593,588,526.25/126,152.91
  6. Step 6: Final answer
    x = 139,462.41

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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.