Home / 161,772.30-242,585.55-61,899.30

Finding the Fourth Proportional to 161,772.30, 242,585.55 and 61,899.30

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Solution

The fourth proportional to 161,772.30, 242,585.55 and 61,899.30 is: 92,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,772.30 : 242,585.55 = 61,899.30 : x
  2. Step 2: Convert to fraction form
    161,772.30/242,585.55 = 61,899.30/x
  3. Step 3: Cross multiply
    161,772.30x = 242,585.55 × 61,899.30
  4. Step 4: Simplify right side
    161,772.30x = 15,015,875,735.12
  5. Step 5: Solve for x
    x = 15,015,875,735.12/161,772.30
  6. Step 6: Final answer
    x = 92,821.06

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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.