Home / 297,047.14-445,687.35-130,718.50

Finding the Fourth Proportional to 297,047.14, 445,687.35 and 130,718.50

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Solution

The fourth proportional to 297,047.14, 445,687.35 and 130,718.50 is: 196,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,047.14 : 445,687.35 = 130,718.50 : x
  2. Step 2: Convert to fraction form
    297,047.14/445,687.35 = 130,718.50/x
  3. Step 3: Cross multiply
    297,047.14x = 445,687.35 × 130,718.50
  4. Step 4: Simplify right side
    297,047.14x = 58,259,581,860.98
  5. Step 5: Solve for x
    x = 58,259,581,860.98/297,047.14
  6. Step 6: Final answer
    x = 196,129.08

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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.