Home / 297,829.16-411,099.94-190,687.72

Finding the Fourth Proportional to 297,829.16, 411,099.94 and 190,687.72

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Solution

The fourth proportional to 297,829.16, 411,099.94 and 190,687.72 is: 263,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,829.16 : 411,099.94 = 190,687.72 : x
  2. Step 2: Convert to fraction form
    297,829.16/411,099.94 = 190,687.72/x
  3. Step 3: Cross multiply
    297,829.16x = 411,099.94 × 190,687.72
  4. Step 4: Simplify right side
    297,829.16x = 78,391,710,250.74
  5. Step 5: Solve for x
    x = 78,391,710,250.74/297,829.16
  6. Step 6: Final answer
    x = 263,210.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.