Home / 296,922.16-445,403.40-119,429.20

Finding the Fourth Proportional to 296,922.16, 445,403.40 and 119,429.20

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Solution

The fourth proportional to 296,922.16, 445,403.40 and 119,429.20 is: 179,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,922.16 : 445,403.40 = 119,429.20 : x
  2. Step 2: Convert to fraction form
    296,922.16/445,403.40 = 119,429.20/x
  3. Step 3: Cross multiply
    296,922.16x = 445,403.40 × 119,429.20
  4. Step 4: Simplify right side
    296,922.16x = 53,194,171,739.28
  5. Step 5: Solve for x
    x = 53,194,171,739.28/296,922.16
  6. Step 6: Final answer
    x = 179,151.91

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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.