Home / 190,841.20-286,261.80-91,049.20

Finding the Fourth Proportional to 190,841.20, 286,261.80 and 91,049.20

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Solution

The fourth proportional to 190,841.20, 286,261.80 and 91,049.20 is: 136,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,841.20 : 286,261.80 = 91,049.20 : x
  2. Step 2: Convert to fraction form
    190,841.20/286,261.80 = 91,049.20/x
  3. Step 3: Cross multiply
    190,841.20x = 286,261.80 × 91,049.20
  4. Step 4: Simplify right side
    190,841.20x = 26,063,907,880.56
  5. Step 5: Solve for x
    x = 26,063,907,880.56/190,841.20
  6. Step 6: Final answer
    x = 136,573.80

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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.