Home / 202,056.40-303,084.60-89,710.21

Finding the Fourth Proportional to 202,056.40, 303,084.60 and 89,710.21

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Solution

The fourth proportional to 202,056.40, 303,084.60 and 89,710.21 is: 134,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,056.40 : 303,084.60 = 89,710.21 : x
  2. Step 2: Convert to fraction form
    202,056.40/303,084.60 = 89,710.21/x
  3. Step 3: Cross multiply
    202,056.40x = 303,084.60 × 89,710.21
  4. Step 4: Simplify right side
    202,056.40x = 27,189,782,356.05
  5. Step 5: Solve for x
    x = 27,189,782,356.05/202,056.40
  6. Step 6: Final answer
    x = 134,565.31

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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.