Home / 113,223.40-169,835.10-106,311.40

Finding the Fourth Proportional to 113,223.40, 169,835.10 and 106,311.40

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Solution

The fourth proportional to 113,223.40, 169,835.10 and 106,311.40 is: 159,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,223.40 : 169,835.10 = 106,311.40 : x
  2. Step 2: Convert to fraction form
    113,223.40/169,835.10 = 106,311.40/x
  3. Step 3: Cross multiply
    113,223.40x = 169,835.10 × 106,311.40
  4. Step 4: Simplify right side
    113,223.40x = 18,055,407,250.14
  5. Step 5: Solve for x
    x = 18,055,407,250.14/113,223.40
  6. Step 6: Final answer
    x = 159,467.10

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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.