Home / 111,382.02-167,103.86-51,428.84

Finding the Fourth Proportional to 111,382.02, 167,103.86 and 51,428.84

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Solution

The fourth proportional to 111,382.02, 167,103.86 and 51,428.84 is: 77,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,382.02 : 167,103.86 = 51,428.84 : x
  2. Step 2: Convert to fraction form
    111,382.02/167,103.86 = 51,428.84/x
  3. Step 3: Cross multiply
    111,382.02x = 167,103.86 × 51,428.84
  4. Step 4: Simplify right side
    111,382.02x = 8,593,957,679.32
  5. Step 5: Solve for x
    x = 8,593,957,679.32/111,382.02
  6. Step 6: Final answer
    x = 77,157.50

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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.