Home / 236,008.80-354,021.84-78,251.04

Finding the Fourth Proportional to 236,008.80, 354,021.84 and 78,251.04

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Solution

The fourth proportional to 236,008.80, 354,021.84 and 78,251.04 is: 117,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,008.80 : 354,021.84 = 78,251.04 : x
  2. Step 2: Convert to fraction form
    236,008.80/354,021.84 = 78,251.04/x
  3. Step 3: Cross multiply
    236,008.80x = 354,021.84 × 78,251.04
  4. Step 4: Simplify right side
    236,008.80x = 27,702,577,162.71
  5. Step 5: Solve for x
    x = 27,702,577,162.71/236,008.80
  6. Step 6: Final answer
    x = 117,379.42

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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.