Home / 146,026.10-219,039.15-99,370.10

Finding the Fourth Proportional to 146,026.10, 219,039.15 and 99,370.10

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Solution

The fourth proportional to 146,026.10, 219,039.15 and 99,370.10 is: 149,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,026.10 : 219,039.15 = 99,370.10 : x
  2. Step 2: Convert to fraction form
    146,026.10/219,039.15 = 99,370.10/x
  3. Step 3: Cross multiply
    146,026.10x = 219,039.15 × 99,370.10
  4. Step 4: Simplify right side
    146,026.10x = 21,765,942,239.42
  5. Step 5: Solve for x
    x = 21,765,942,239.42/146,026.10
  6. Step 6: Final answer
    x = 149,055.15

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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.