Home / 236,542.80-354,870.90-78,772.62

Finding the Fourth Proportional to 236,542.80, 354,870.90 and 78,772.62

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Solution

The fourth proportional to 236,542.80, 354,870.90 and 78,772.62 is: 118,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,542.80 : 354,870.90 = 78,772.62 : x
  2. Step 2: Convert to fraction form
    236,542.80/354,870.90 = 78,772.62/x
  3. Step 3: Cross multiply
    236,542.80x = 354,870.90 × 78,772.62
  4. Step 4: Simplify right side
    236,542.80x = 27,954,110,554.76
  5. Step 5: Solve for x
    x = 27,954,110,554.76/236,542.80
  6. Step 6: Final answer
    x = 118,177.81

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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.