Home / 127,215.52-190,827.28-60,662.88

Finding the Fourth Proportional to 127,215.52, 190,827.28 and 60,662.88

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Solution

The fourth proportional to 127,215.52, 190,827.28 and 60,662.88 is: 90,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,215.52 : 190,827.28 = 60,662.88 : x
  2. Step 2: Convert to fraction form
    127,215.52/190,827.28 = 60,662.88/x
  3. Step 3: Cross multiply
    127,215.52x = 190,827.28 × 60,662.88
  4. Step 4: Simplify right side
    127,215.52x = 11,576,132,387.37
  5. Step 5: Solve for x
    x = 11,576,132,387.37/127,215.52
  6. Step 6: Final answer
    x = 90,996.23

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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.