Home / 131,829.40-197,808.90-61,696.60

Finding the Fourth Proportional to 131,829.40, 197,808.90 and 61,696.60

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Solution

The fourth proportional to 131,829.40, 197,808.90 and 61,696.60 is: 92,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,829.40 : 197,808.90 = 61,696.60 : x
  2. Step 2: Convert to fraction form
    131,829.40/197,808.90 = 61,696.60/x
  3. Step 3: Cross multiply
    131,829.40x = 197,808.90 × 61,696.60
  4. Step 4: Simplify right side
    131,829.40x = 12,204,136,579.74
  5. Step 5: Solve for x
    x = 12,204,136,579.74/131,829.40
  6. Step 6: Final answer
    x = 92,575.23

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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.