Home / 127,206.07-175,523.92-73,498.21

Finding the Fourth Proportional to 127,206.07, 175,523.92 and 73,498.21

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Solution

The fourth proportional to 127,206.07, 175,523.92 and 73,498.21 is: 101,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,206.07 : 175,523.92 = 73,498.21 : x
  2. Step 2: Convert to fraction form
    127,206.07/175,523.92 = 73,498.21/x
  3. Step 3: Cross multiply
    127,206.07x = 175,523.92 × 73,498.21
  4. Step 4: Simplify right side
    127,206.07x = 12,900,693,309.63
  5. Step 5: Solve for x
    x = 12,900,693,309.63/127,206.07
  6. Step 6: Final answer
    x = 101,415.71

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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.