Home / 372,022.90-558,163.95-161,811.70

Finding the Fourth Proportional to 372,022.90, 558,163.95 and 161,811.70

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Solution

The fourth proportional to 372,022.90, 558,163.95 and 161,811.70 is: 242,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,022.90 : 558,163.95 = 161,811.70 : x
  2. Step 2: Convert to fraction form
    372,022.90/558,163.95 = 161,811.70/x
  3. Step 3: Cross multiply
    372,022.90x = 558,163.95 × 161,811.70
  4. Step 4: Simplify right side
    372,022.90x = 90,317,457,628.22
  5. Step 5: Solve for x
    x = 90,317,457,628.22/372,022.90
  6. Step 6: Final answer
    x = 242,773.92

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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.