Home / 155,586.18-233,357.40-88,809.78

Finding the Fourth Proportional to 155,586.18, 233,357.40 and 88,809.78

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Solution

The fourth proportional to 155,586.18, 233,357.40 and 88,809.78 is: 133,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,586.18 : 233,357.40 = 88,809.78 : x
  2. Step 2: Convert to fraction form
    155,586.18/233,357.40 = 88,809.78/x
  3. Step 3: Cross multiply
    155,586.18x = 233,357.40 × 88,809.78
  4. Step 4: Simplify right side
    155,586.18x = 20,724,419,355.37
  5. Step 5: Solve for x
    x = 20,724,419,355.37/155,586.18
  6. Step 6: Final answer
    x = 133,202.19

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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.