Home / 144,462.48-199,331.64-80,800.80

Finding the Fourth Proportional to 144,462.48, 199,331.64 and 80,800.80

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Solution

The fourth proportional to 144,462.48, 199,331.64 and 80,800.80 is: 111,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,462.48 : 199,331.64 = 80,800.80 : x
  2. Step 2: Convert to fraction form
    144,462.48/199,331.64 = 80,800.80/x
  3. Step 3: Cross multiply
    144,462.48x = 199,331.64 × 80,800.80
  4. Step 4: Simplify right side
    144,462.48x = 16,106,155,977.31
  5. Step 5: Solve for x
    x = 16,106,155,977.31/144,462.48
  6. Step 6: Final answer
    x = 111,490.24

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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.