Home / 126,402.48-188,783.28-114,532.74

Finding the Fourth Proportional to 126,402.48, 188,783.28 and 114,532.74

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Solution

The fourth proportional to 126,402.48, 188,783.28 and 114,532.74 is: 171,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,402.48 : 188,783.28 = 114,532.74 : x
  2. Step 2: Convert to fraction form
    126,402.48/188,783.28 = 114,532.74/x
  3. Step 3: Cross multiply
    126,402.48x = 188,783.28 × 114,532.74
  4. Step 4: Simplify right side
    126,402.48x = 21,621,866,324.59
  5. Step 5: Solve for x
    x = 21,621,866,324.59/126,402.48
  6. Step 6: Final answer
    x = 171,055.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.