Home / 131,845.36-197,603.55-64,321.72

Finding the Fourth Proportional to 131,845.36, 197,603.55 and 64,321.72

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Solution

The fourth proportional to 131,845.36, 197,603.55 and 64,321.72 is: 96,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,845.36 : 197,603.55 = 64,321.72 : x
  2. Step 2: Convert to fraction form
    131,845.36/197,603.55 = 64,321.72/x
  3. Step 3: Cross multiply
    131,845.36x = 197,603.55 × 64,321.72
  4. Step 4: Simplify right side
    131,845.36x = 12,710,200,214.11
  5. Step 5: Solve for x
    x = 12,710,200,214.11/131,845.36
  6. Step 6: Final answer
    x = 96,402.33

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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.