Home / 101,125.95-151,452.41-79,923.69

Finding the Fourth Proportional to 101,125.95, 151,452.41 and 79,923.69

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Solution

The fourth proportional to 101,125.95, 151,452.41 and 79,923.69 is: 119,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,125.95 : 151,452.41 = 79,923.69 : x
  2. Step 2: Convert to fraction form
    101,125.95/151,452.41 = 79,923.69/x
  3. Step 3: Cross multiply
    101,125.95x = 151,452.41 × 79,923.69
  4. Step 4: Simplify right side
    101,125.95x = 12,104,635,066.97
  5. Step 5: Solve for x
    x = 12,104,635,066.97/101,125.95
  6. Step 6: Final answer
    x = 119,698.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.