Home / 296,827.40-445,532.70-147,236.60

Finding the Fourth Proportional to 296,827.40, 445,532.70 and 147,236.60

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Solution

The fourth proportional to 296,827.40, 445,532.70 and 147,236.60 is: 220,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,827.40 : 445,532.70 = 147,236.60 : x
  2. Step 2: Convert to fraction form
    296,827.40/445,532.70 = 147,236.60/x
  3. Step 3: Cross multiply
    296,827.40x = 445,532.70 × 147,236.60
  4. Step 4: Simplify right side
    296,827.40x = 65,598,719,936.82
  5. Step 5: Solve for x
    x = 65,598,719,936.82/296,827.40
  6. Step 6: Final answer
    x = 220,999.54

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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.