Home / 127,293.46-190,649.53-60,780.28

Finding the Fourth Proportional to 127,293.46, 190,649.53 and 60,780.28

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Solution

The fourth proportional to 127,293.46, 190,649.53 and 60,780.28 is: 91,031.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,293.46 : 190,649.53 = 60,780.28 : x
  2. Step 2: Convert to fraction form
    127,293.46/190,649.53 = 60,780.28/x
  3. Step 3: Cross multiply
    127,293.46x = 190,649.53 × 60,780.28
  4. Step 4: Simplify right side
    127,293.46x = 11,587,731,815.27
  5. Step 5: Solve for x
    x = 11,587,731,815.27/127,293.46
  6. Step 6: Final answer
    x = 91,031.64

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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.