Home / 113,223.36-156,253.44-62,919.36

Finding the Fourth Proportional to 113,223.36, 156,253.44 and 62,919.36

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Solution

The fourth proportional to 113,223.36, 156,253.44 and 62,919.36 is: 86,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,223.36 : 156,253.44 = 62,919.36 : x
  2. Step 2: Convert to fraction form
    113,223.36/156,253.44 = 62,919.36/x
  3. Step 3: Cross multiply
    113,223.36x = 156,253.44 × 62,919.36
  4. Step 4: Simplify right side
    113,223.36x = 9,831,366,442.60
  5. Step 5: Solve for x
    x = 9,831,366,442.60/113,223.36
  6. Step 6: Final answer
    x = 86,831.61

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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.