Home / 144,534.18-199,450.69-80,005.83

Finding the Fourth Proportional to 144,534.18, 199,450.69 and 80,005.83

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Solution

The fourth proportional to 144,534.18, 199,450.69 and 80,005.83 is: 110,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,534.18 : 199,450.69 = 80,005.83 : x
  2. Step 2: Convert to fraction form
    144,534.18/199,450.69 = 80,005.83/x
  3. Step 3: Cross multiply
    144,534.18x = 199,450.69 × 80,005.83
  4. Step 4: Simplify right side
    144,534.18x = 15,957,218,621.51
  5. Step 5: Solve for x
    x = 15,957,218,621.51/144,534.18
  6. Step 6: Final answer
    x = 110,404.47

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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.