Home / 120,983.84-181,455.36-36,723.84

Finding the Fourth Proportional to 120,983.84, 181,455.36 and 36,723.84

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Solution

The fourth proportional to 120,983.84, 181,455.36 and 36,723.84 is: 55,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,983.84 : 181,455.36 = 36,723.84 : x
  2. Step 2: Convert to fraction form
    120,983.84/181,455.36 = 36,723.84/x
  3. Step 3: Cross multiply
    120,983.84x = 181,455.36 × 36,723.84
  4. Step 4: Simplify right side
    120,983.84x = 6,663,737,607.78
  5. Step 5: Solve for x
    x = 6,663,737,607.78/120,983.84
  6. Step 6: Final answer
    x = 55,079.57

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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.