Home / 190,702.89-263,221.04-119,039.76

Finding the Fourth Proportional to 190,702.89, 263,221.04 and 119,039.76

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Solution

The fourth proportional to 190,702.89, 263,221.04 and 119,039.76 is: 164,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,702.89 : 263,221.04 = 119,039.76 : x
  2. Step 2: Convert to fraction form
    190,702.89/263,221.04 = 119,039.76/x
  3. Step 3: Cross multiply
    190,702.89x = 263,221.04 × 119,039.76
  4. Step 4: Simplify right side
    190,702.89x = 31,333,769,726.15
  5. Step 5: Solve for x
    x = 31,333,769,726.15/190,702.89
  6. Step 6: Final answer
    x = 164,306.74

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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.