Home / 120,725.94-181,266.64-67,522.16

Finding the Fourth Proportional to 120,725.94, 181,266.64 and 67,522.16

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Solution

The fourth proportional to 120,725.94, 181,266.64 and 67,522.16 is: 101,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,725.94 : 181,266.64 = 67,522.16 : x
  2. Step 2: Convert to fraction form
    120,725.94/181,266.64 = 67,522.16/x
  3. Step 3: Cross multiply
    120,725.94x = 181,266.64 × 67,522.16
  4. Step 4: Simplify right side
    120,725.94x = 12,239,515,068.74
  5. Step 5: Solve for x
    x = 12,239,515,068.74/120,725.94
  6. Step 6: Final answer
    x = 101,382.64

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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.