Home / 127,215.28-190,801.32-33,730.48

Finding the Fourth Proportional to 127,215.28, 190,801.32 and 33,730.48

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Solution

The fourth proportional to 127,215.28, 190,801.32 and 33,730.48 is: 50,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,215.28 : 190,801.32 = 33,730.48 : x
  2. Step 2: Convert to fraction form
    127,215.28/190,801.32 = 33,730.48/x
  3. Step 3: Cross multiply
    127,215.28x = 190,801.32 × 33,730.48
  4. Step 4: Simplify right side
    127,215.28x = 6,435,820,108.23
  5. Step 5: Solve for x
    x = 6,435,820,108.23/127,215.28
  6. Step 6: Final answer
    x = 50,589.99

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1.5x scale

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.