Home / 199,018.90-274,355.94-151,189.21

Finding the Fourth Proportional to 199,018.90, 274,355.94 and 151,189.21

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Solution

The fourth proportional to 199,018.90, 274,355.94 and 151,189.21 is: 208,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,018.90 : 274,355.94 = 151,189.21 : x
  2. Step 2: Convert to fraction form
    199,018.90/274,355.94 = 151,189.21/x
  3. Step 3: Cross multiply
    199,018.90x = 274,355.94 × 151,189.21
  4. Step 4: Simplify right side
    199,018.90x = 41,479,657,827.41
  5. Step 5: Solve for x
    x = 41,479,657,827.41/199,018.90
  6. Step 6: Final answer
    x = 208,420.70

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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.