Home / 159,244.90-219,751.38-86,648.09

Finding the Fourth Proportional to 159,244.90, 219,751.38 and 86,648.09

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Solution

The fourth proportional to 159,244.90, 219,751.38 and 86,648.09 is: 119,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,244.90 : 219,751.38 = 86,648.09 : x
  2. Step 2: Convert to fraction form
    159,244.90/219,751.38 = 86,648.09/x
  3. Step 3: Cross multiply
    159,244.90x = 219,751.38 × 86,648.09
  4. Step 4: Simplify right side
    159,244.90x = 19,041,037,351.86
  5. Step 5: Solve for x
    x = 19,041,037,351.86/159,244.90
  6. Step 6: Final answer
    x = 119,570.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.