Home / 127,899.24-191,664.93-87,963.31

Finding the Fourth Proportional to 127,899.24, 191,664.93 and 87,963.31

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Solution

The fourth proportional to 127,899.24, 191,664.93 and 87,963.31 is: 131,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,899.24 : 191,664.93 = 87,963.31 : x
  2. Step 2: Convert to fraction form
    127,899.24/191,664.93 = 87,963.31/x
  3. Step 3: Cross multiply
    127,899.24x = 191,664.93 × 87,963.31
  4. Step 4: Simplify right side
    127,899.24x = 16,859,481,873.63
  5. Step 5: Solve for x
    x = 16,859,481,873.63/127,899.24
  6. Step 6: Final answer
    x = 131,818.47

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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.