Home / 131,815.60-197,723.40-96,823.60

Finding the Fourth Proportional to 131,815.60, 197,723.40 and 96,823.60

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Solution

The fourth proportional to 131,815.60, 197,723.40 and 96,823.60 is: 145,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,815.60 : 197,723.40 = 96,823.60 : x
  2. Step 2: Convert to fraction form
    131,815.60/197,723.40 = 96,823.60/x
  3. Step 3: Cross multiply
    131,815.60x = 197,723.40 × 96,823.60
  4. Step 4: Simplify right side
    131,815.60x = 19,144,291,392.24
  5. Step 5: Solve for x
    x = 19,144,291,392.24/131,815.60
  6. Step 6: Final answer
    x = 145,235.40

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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.