Home / 127,021.81-175,277.43-73,324.12

Finding the Fourth Proportional to 127,021.81, 175,277.43 and 73,324.12

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Solution

The fourth proportional to 127,021.81, 175,277.43 and 73,324.12 is: 101,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,021.81 : 175,277.43 = 73,324.12 : x
  2. Step 2: Convert to fraction form
    127,021.81/175,277.43 = 73,324.12/x
  3. Step 3: Cross multiply
    127,021.81x = 175,277.43 × 73,324.12
  4. Step 4: Simplify right side
    127,021.81x = 12,852,063,310.61
  5. Step 5: Solve for x
    x = 12,852,063,310.61/127,021.81
  6. Step 6: Final answer
    x = 101,179.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.