Home / 98,125.20-146,896.20-87,627.60

Finding the Fourth Proportional to 98,125.20, 146,896.20 and 87,627.60

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Solution

The fourth proportional to 98,125.20, 146,896.20 and 87,627.60 is: 131,181.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,125.20 : 146,896.20 = 87,627.60 : x
  2. Step 2: Convert to fraction form
    98,125.20/146,896.20 = 87,627.60/x
  3. Step 3: Cross multiply
    98,125.20x = 146,896.20 × 87,627.60
  4. Step 4: Simplify right side
    98,125.20x = 12,872,161,455.12
  5. Step 5: Solve for x
    x = 12,872,161,455.12/98,125.20
  6. Step 6: Final answer
    x = 131,181.00

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1.5x scale

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.