Home / 296,947.40-445,421.10-195,470.60

Finding the Fourth Proportional to 296,947.40, 445,421.10 and 195,470.60

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Solution

The fourth proportional to 296,947.40, 445,421.10 and 195,470.60 is: 293,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,947.40 : 445,421.10 = 195,470.60 : x
  2. Step 2: Convert to fraction form
    296,947.40/445,421.10 = 195,470.60/x
  3. Step 3: Cross multiply
    296,947.40x = 445,421.10 × 195,470.60
  4. Step 4: Simplify right side
    296,947.40x = 87,066,729,669.66
  5. Step 5: Solve for x
    x = 87,066,729,669.66/296,947.40
  6. Step 6: Final answer
    x = 293,205.90

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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.