Home / 99,948.20-149,922.30-26,076.20

Finding the Fourth Proportional to 99,948.20, 149,922.30 and 26,076.20

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Solution

The fourth proportional to 99,948.20, 149,922.30 and 26,076.20 is: 39,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,948.20 : 149,922.30 = 26,076.20 : x
  2. Step 2: Convert to fraction form
    99,948.20/149,922.30 = 26,076.20/x
  3. Step 3: Cross multiply
    99,948.20x = 149,922.30 × 26,076.20
  4. Step 4: Simplify right side
    99,948.20x = 3,909,403,879.26
  5. Step 5: Solve for x
    x = 3,909,403,879.26/99,948.20
  6. Step 6: Final answer
    x = 39,114.30

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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.