Home / 209,687.12-289,373.40-114,198.98

Finding the Fourth Proportional to 209,687.12, 289,373.40 and 114,198.98

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Solution

The fourth proportional to 209,687.12, 289,373.40 and 114,198.98 is: 157,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,687.12 : 289,373.40 = 114,198.98 : x
  2. Step 2: Convert to fraction form
    209,687.12/289,373.40 = 114,198.98/x
  3. Step 3: Cross multiply
    209,687.12x = 289,373.40 × 114,198.98
  4. Step 4: Simplify right side
    209,687.12x = 33,046,147,119.13
  5. Step 5: Solve for x
    x = 33,046,147,119.13/209,687.12
  6. Step 6: Final answer
    x = 157,597.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.