Home / 113,814.20-170,721.30-73,897.40

Finding the Fourth Proportional to 113,814.20, 170,721.30 and 73,897.40

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Solution

The fourth proportional to 113,814.20, 170,721.30 and 73,897.40 is: 110,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,814.20 : 170,721.30 = 73,897.40 : x
  2. Step 2: Convert to fraction form
    113,814.20/170,721.30 = 73,897.40/x
  3. Step 3: Cross multiply
    113,814.20x = 170,721.30 × 73,897.40
  4. Step 4: Simplify right side
    113,814.20x = 12,615,860,194.62
  5. Step 5: Solve for x
    x = 12,615,860,194.62/113,814.20
  6. Step 6: Final answer
    x = 110,846.10

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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.