Home / 194,621.80-291,932.70-89,645.80

Finding the Fourth Proportional to 194,621.80, 291,932.70 and 89,645.80

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Solution

The fourth proportional to 194,621.80, 291,932.70 and 89,645.80 is: 134,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,621.80 : 291,932.70 = 89,645.80 : x
  2. Step 2: Convert to fraction form
    194,621.80/291,932.70 = 89,645.80/x
  3. Step 3: Cross multiply
    194,621.80x = 291,932.70 × 89,645.80
  4. Step 4: Simplify right side
    194,621.80x = 26,170,540,437.66
  5. Step 5: Solve for x
    x = 26,170,540,437.66/194,621.80
  6. Step 6: Final answer
    x = 134,468.70

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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.