Home / 140,178.36-193,417.26-80,550.84

Finding the Fourth Proportional to 140,178.36, 193,417.26 and 80,550.84

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Solution

The fourth proportional to 140,178.36, 193,417.26 and 80,550.84 is: 111,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,178.36 : 193,417.26 = 80,550.84 : x
  2. Step 2: Convert to fraction form
    140,178.36/193,417.26 = 80,550.84/x
  3. Step 3: Cross multiply
    140,178.36x = 193,417.26 × 80,550.84
  4. Step 4: Simplify right side
    140,178.36x = 15,579,922,763.50
  5. Step 5: Solve for x
    x = 15,579,922,763.50/140,178.36
  6. Step 6: Final answer
    x = 111,143.57

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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.