Home / 100,176.67-150,263.76-40,231.69

Finding the Fourth Proportional to 100,176.67, 150,263.76 and 40,231.69

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Solution

The fourth proportional to 100,176.67, 150,263.76 and 40,231.69 is: 60,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,176.67 : 150,263.76 = 40,231.69 : x
  2. Step 2: Convert to fraction form
    100,176.67/150,263.76 = 40,231.69/x
  3. Step 3: Cross multiply
    100,176.67x = 150,263.76 × 40,231.69
  4. Step 4: Simplify right side
    100,176.67x = 6,045,364,559.46
  5. Step 5: Solve for x
    x = 6,045,364,559.46/100,176.67
  6. Step 6: Final answer
    x = 60,347.03

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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.