Home / 127,997.40-191,913.66-53,169.06

Finding the Fourth Proportional to 127,997.40, 191,913.66 and 53,169.06

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Solution

The fourth proportional to 127,997.40, 191,913.66 and 53,169.06 is: 79,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,997.40 : 191,913.66 = 53,169.06 : x
  2. Step 2: Convert to fraction form
    127,997.40/191,913.66 = 53,169.06/x
  3. Step 3: Cross multiply
    127,997.40x = 191,913.66 × 53,169.06
  4. Step 4: Simplify right side
    127,997.40x = 10,203,868,903.36
  5. Step 5: Solve for x
    x = 10,203,868,903.36/127,997.40
  6. Step 6: Final answer
    x = 79,719.35

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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.