Home / 127,186.59-190,783.98-63,972.21

Finding the Fourth Proportional to 127,186.59, 190,783.98 and 63,972.21

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Solution

The fourth proportional to 127,186.59, 190,783.98 and 63,972.21 is: 95,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,186.59 : 190,783.98 = 63,972.21 : x
  2. Step 2: Convert to fraction form
    127,186.59/190,783.98 = 63,972.21/x
  3. Step 3: Cross multiply
    127,186.59x = 190,783.98 × 63,972.21
  4. Step 4: Simplify right side
    127,186.59x = 12,204,872,833.20
  5. Step 5: Solve for x
    x = 12,204,872,833.20/127,186.59
  6. Step 6: Final answer
    x = 95,960.37

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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.