Home / 111,679.18-167,539.29-36,803.74

Finding the Fourth Proportional to 111,679.18, 167,539.29 and 36,803.74

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Solution

The fourth proportional to 111,679.18, 167,539.29 and 36,803.74 is: 55,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,679.18 : 167,539.29 = 36,803.74 : x
  2. Step 2: Convert to fraction form
    111,679.18/167,539.29 = 36,803.74/x
  3. Step 3: Cross multiply
    111,679.18x = 167,539.29 × 36,803.74
  4. Step 4: Simplify right side
    111,679.18x = 6,166,072,468.94
  5. Step 5: Solve for x
    x = 6,166,072,468.94/111,679.18
  6. Step 6: Final answer
    x = 55,212.37

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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.