Home / 127,963.49-191,945.09-56,869.58

Finding the Fourth Proportional to 127,963.49, 191,945.09 and 56,869.58

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Solution

The fourth proportional to 127,963.49, 191,945.09 and 56,869.58 is: 85,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,963.49 : 191,945.09 = 56,869.58 : x
  2. Step 2: Convert to fraction form
    127,963.49/191,945.09 = 56,869.58/x
  3. Step 3: Cross multiply
    127,963.49x = 191,945.09 × 56,869.58
  4. Step 4: Simplify right side
    127,963.49x = 10,915,837,273.40
  5. Step 5: Solve for x
    x = 10,915,837,273.40/127,963.49
  6. Step 6: Final answer
    x = 85,304.31

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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.