Home / 110,169.06-151,977.34-71,950.98

Finding the Fourth Proportional to 110,169.06, 151,977.34 and 71,950.98

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Solution

The fourth proportional to 110,169.06, 151,977.34 and 71,950.98 is: 99,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,169.06 : 151,977.34 = 71,950.98 : x
  2. Step 2: Convert to fraction form
    110,169.06/151,977.34 = 71,950.98/x
  3. Step 3: Cross multiply
    110,169.06x = 151,977.34 × 71,950.98
  4. Step 4: Simplify right side
    110,169.06x = 10,934,918,550.79
  5. Step 5: Solve for x
    x = 10,934,918,550.79/110,169.06
  6. Step 6: Final answer
    x = 99,255.80

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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.