Home / 131,525.36-197,352.85-61,409.60

Finding the Fourth Proportional to 131,525.36, 197,352.85 and 61,409.60

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Solution

The fourth proportional to 131,525.36, 197,352.85 and 61,409.60 is: 92,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,525.36 : 197,352.85 = 61,409.60 : x
  2. Step 2: Convert to fraction form
    131,525.36/197,352.85 = 61,409.60/x
  3. Step 3: Cross multiply
    131,525.36x = 197,352.85 × 61,409.60
  4. Step 4: Simplify right side
    131,525.36x = 12,119,359,577.36
  5. Step 5: Solve for x
    x = 12,119,359,577.36/131,525.36
  6. Step 6: Final answer
    x = 92,144.66

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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.