Home / 151,586.62-209,194.41-83,606.50

Finding the Fourth Proportional to 151,586.62, 209,194.41 and 83,606.50

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Solution

The fourth proportional to 151,586.62, 209,194.41 and 83,606.50 is: 115,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,586.62 : 209,194.41 = 83,606.50 : x
  2. Step 2: Convert to fraction form
    151,586.62/209,194.41 = 83,606.50/x
  3. Step 3: Cross multiply
    151,586.62x = 209,194.41 × 83,606.50
  4. Step 4: Simplify right side
    151,586.62x = 17,490,012,439.67
  5. Step 5: Solve for x
    x = 17,490,012,439.67/151,586.62
  6. Step 6: Final answer
    x = 115,379.66

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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.