Home / 296,899.12-445,114.44-147,190.96

Finding the Fourth Proportional to 296,899.12, 445,114.44 and 147,190.96

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Solution

The fourth proportional to 296,899.12, 445,114.44 and 147,190.96 is: 220,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,899.12 : 445,114.44 = 147,190.96 : x
  2. Step 2: Convert to fraction form
    296,899.12/445,114.44 = 147,190.96/x
  3. Step 3: Cross multiply
    296,899.12x = 445,114.44 × 147,190.96
  4. Step 4: Simplify right side
    296,899.12x = 65,516,821,733.46
  5. Step 5: Solve for x
    x = 65,516,821,733.46/296,899.12
  6. Step 6: Final answer
    x = 220,670.31

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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.