Home / 236,544.80-354,873.90-78,774.62

Finding the Fourth Proportional to 236,544.80, 354,873.90 and 78,774.62

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Solution

The fourth proportional to 236,544.80, 354,873.90 and 78,774.62 is: 118,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,544.80 : 354,873.90 = 78,774.62 : x
  2. Step 2: Convert to fraction form
    236,544.80/354,873.90 = 78,774.62/x
  3. Step 3: Cross multiply
    236,544.80x = 354,873.90 × 78,774.62
  4. Step 4: Simplify right side
    236,544.80x = 27,955,056,620.42
  5. Step 5: Solve for x
    x = 27,955,056,620.42/236,544.80
  6. Step 6: Final answer
    x = 118,180.81

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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.