Home / 156,589.20-216,092.00-84,967.38

Finding the Fourth Proportional to 156,589.20, 216,092.00 and 84,967.38

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Solution

The fourth proportional to 156,589.20, 216,092.00 and 84,967.38 is: 117,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,589.20 : 216,092.00 = 84,967.38 : x
  2. Step 2: Convert to fraction form
    156,589.20/216,092.00 = 84,967.38/x
  3. Step 3: Cross multiply
    156,589.20x = 216,092.00 × 84,967.38
  4. Step 4: Simplify right side
    156,589.20x = 18,360,771,291.38
  5. Step 5: Solve for x
    x = 18,360,771,291.38/156,589.20
  6. Step 6: Final answer
    x = 117,254.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.