Home / 100,823.81-151,235.46-25,937.69

Finding the Fourth Proportional to 100,823.81, 151,235.46 and 25,937.69

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Solution

The fourth proportional to 100,823.81, 151,235.46 and 25,937.69 is: 38,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,823.81 : 151,235.46 = 25,937.69 : x
  2. Step 2: Convert to fraction form
    100,823.81/151,235.46 = 25,937.69/x
  3. Step 3: Cross multiply
    100,823.81x = 151,235.46 × 25,937.69
  4. Step 4: Simplify right side
    100,823.81x = 3,922,697,722.31
  5. Step 5: Solve for x
    x = 3,922,697,722.31/100,823.81
  6. Step 6: Final answer
    x = 38,906.46

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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.