Home / 143,847.36-198,594.41-127,887.66

Finding the Fourth Proportional to 143,847.36, 198,594.41 and 127,887.66

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Solution

The fourth proportional to 143,847.36, 198,594.41 and 127,887.66 is: 176,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,847.36 : 198,594.41 = 127,887.66 : x
  2. Step 2: Convert to fraction form
    143,847.36/198,594.41 = 127,887.66/x
  3. Step 3: Cross multiply
    143,847.36x = 198,594.41 × 127,887.66
  4. Step 4: Simplify right side
    143,847.36x = 25,397,773,744.54
  5. Step 5: Solve for x
    x = 25,397,773,744.54/143,847.36
  6. Step 6: Final answer
    x = 176,560.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.