Home / 150,833.98-208,145.19-83,770.30

Finding the Fourth Proportional to 150,833.98, 208,145.19 and 83,770.30

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Solution

The fourth proportional to 150,833.98, 208,145.19 and 83,770.30 is: 115,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,833.98 : 208,145.19 = 83,770.30 : x
  2. Step 2: Convert to fraction form
    150,833.98/208,145.19 = 83,770.30/x
  3. Step 3: Cross multiply
    150,833.98x = 208,145.19 × 83,770.30
  4. Step 4: Simplify right side
    150,833.98x = 17,436,385,009.86
  5. Step 5: Solve for x
    x = 17,436,385,009.86/150,833.98
  6. Step 6: Final answer
    x = 115,599.85

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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.