Home / 131,784.96-197,647.81-60,639.36

Finding the Fourth Proportional to 131,784.96, 197,647.81 and 60,639.36

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Solution

The fourth proportional to 131,784.96, 197,647.81 and 60,639.36 is: 90,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,784.96 : 197,647.81 = 60,639.36 : x
  2. Step 2: Convert to fraction form
    131,784.96/197,647.81 = 60,639.36/x
  3. Step 3: Cross multiply
    131,784.96x = 197,647.81 × 60,639.36
  4. Step 4: Simplify right side
    131,784.96x = 11,985,236,703.80
  5. Step 5: Solve for x
    x = 11,985,236,703.80/131,784.96
  6. Step 6: Final answer
    x = 90,945.41

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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.