Home / 161,617.20-242,436.60-54,999.60

Finding the Fourth Proportional to 161,617.20, 242,436.60 and 54,999.60

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Solution

The fourth proportional to 161,617.20, 242,436.60 and 54,999.60 is: 82,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,617.20 : 242,436.60 = 54,999.60 : x
  2. Step 2: Convert to fraction form
    161,617.20/242,436.60 = 54,999.60/x
  3. Step 3: Cross multiply
    161,617.20x = 242,436.60 × 54,999.60
  4. Step 4: Simplify right side
    161,617.20x = 13,333,916,025.36
  5. Step 5: Solve for x
    x = 13,333,916,025.36/161,617.20
  6. Step 6: Final answer
    x = 82,503.08

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1.5x scale

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.