Home / 161,811.70-242,825.52-56,630.68

Finding the Fourth Proportional to 161,811.70, 242,825.52 and 56,630.68

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Solution

The fourth proportional to 161,811.70, 242,825.52 and 56,630.68 is: 84,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,811.70 : 242,825.52 = 56,630.68 : x
  2. Step 2: Convert to fraction form
    161,811.70/242,825.52 = 56,630.68/x
  3. Step 3: Cross multiply
    161,811.70x = 242,825.52 × 56,630.68
  4. Step 4: Simplify right side
    161,811.70x = 13,751,374,318.95
  5. Step 5: Solve for x
    x = 13,751,374,318.95/161,811.70
  6. Step 6: Final answer
    x = 84,983.81

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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.