Home / 297,220.23-445,856.27-83,990.39

Finding the Fourth Proportional to 297,220.23, 445,856.27 and 83,990.39

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Solution

The fourth proportional to 297,220.23, 445,856.27 and 83,990.39 is: 125,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,220.23 : 445,856.27 = 83,990.39 : x
  2. Step 2: Convert to fraction form
    297,220.23/445,856.27 = 83,990.39/x
  3. Step 3: Cross multiply
    297,220.23x = 445,856.27 × 83,990.39
  4. Step 4: Simplify right side
    297,220.23x = 37,447,639,352.01
  5. Step 5: Solve for x
    x = 37,447,639,352.01/297,220.23
  6. Step 6: Final answer
    x = 125,992.90

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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.