Home / 150,614.15-208,063.80-120,359.84

Finding the Fourth Proportional to 150,614.15, 208,063.80 and 120,359.84

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Solution

The fourth proportional to 150,614.15, 208,063.80 and 120,359.84 is: 166,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,614.15 : 208,063.80 = 120,359.84 : x
  2. Step 2: Convert to fraction form
    150,614.15/208,063.80 = 120,359.84/x
  3. Step 3: Cross multiply
    150,614.15x = 208,063.80 × 120,359.84
  4. Step 4: Simplify right side
    150,614.15x = 25,042,525,677.79
  5. Step 5: Solve for x
    x = 25,042,525,677.79/150,614.15
  6. Step 6: Final answer
    x = 166,269.41

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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.