Home / 140,296.80-193,561.56-79,852.32

Finding the Fourth Proportional to 140,296.80, 193,561.56 and 79,852.32

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Solution

The fourth proportional to 140,296.80, 193,561.56 and 79,852.32 is: 110,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,296.80 : 193,561.56 = 79,852.32 : x
  2. Step 2: Convert to fraction form
    140,296.80/193,561.56 = 79,852.32/x
  3. Step 3: Cross multiply
    140,296.80x = 193,561.56 × 79,852.32
  4. Step 4: Simplify right side
    140,296.80x = 15,456,339,628.82
  5. Step 5: Solve for x
    x = 15,456,339,628.82/140,296.80
  6. Step 6: Final answer
    x = 110,168.87

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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.