Home / 161,512.72-242,309.40-56,333.20

Finding the Fourth Proportional to 161,512.72, 242,309.40 and 56,333.20

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Solution

The fourth proportional to 161,512.72, 242,309.40 and 56,333.20 is: 84,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,512.72 : 242,309.40 = 56,333.20 : x
  2. Step 2: Convert to fraction form
    161,512.72/242,309.40 = 56,333.20/x
  3. Step 3: Cross multiply
    161,512.72x = 242,309.40 × 56,333.20
  4. Step 4: Simplify right side
    161,512.72x = 13,650,063,892.08
  5. Step 5: Solve for x
    x = 13,650,063,892.08/161,512.72
  6. Step 6: Final answer
    x = 84,513.86

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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.