Home / 296,917.40-445,376.10-195,440.60

Finding the Fourth Proportional to 296,917.40, 445,376.10 and 195,440.60

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Solution

The fourth proportional to 296,917.40, 445,376.10 and 195,440.60 is: 293,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,917.40 : 445,376.10 = 195,440.60 : x
  2. Step 2: Convert to fraction form
    296,917.40/445,376.10 = 195,440.60/x
  3. Step 3: Cross multiply
    296,917.40x = 445,376.10 × 195,440.60
  4. Step 4: Simplify right side
    296,917.40x = 87,044,572,209.66
  5. Step 5: Solve for x
    x = 87,044,572,209.66/296,917.40
  6. Step 6: Final answer
    x = 293,160.90

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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.