Home / 120,955.02-181,432.94-36,715.91

Finding the Fourth Proportional to 120,955.02, 181,432.94 and 36,715.91

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Solution

The fourth proportional to 120,955.02, 181,432.94 and 36,715.91 is: 55,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,955.02 : 181,432.94 = 36,715.91 : x
  2. Step 2: Convert to fraction form
    120,955.02/181,432.94 = 36,715.91/x
  3. Step 3: Cross multiply
    120,955.02x = 181,432.94 × 36,715.91
  4. Step 4: Simplify right side
    120,955.02x = 6,661,474,405.33
  5. Step 5: Solve for x
    x = 6,661,474,405.33/120,955.02
  6. Step 6: Final answer
    x = 55,073.98

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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.