Home / 242,905.30-365,135.55-173,266.90

Finding the Fourth Proportional to 242,905.30, 365,135.55 and 173,266.90

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Solution

The fourth proportional to 242,905.30, 365,135.55 and 173,266.90 is: 260,455.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,905.30 : 365,135.55 = 173,266.90 : x
  2. Step 2: Convert to fraction form
    242,905.30/365,135.55 = 173,266.90/x
  3. Step 3: Cross multiply
    242,905.30x = 365,135.55 × 173,266.90
  4. Step 4: Simplify right side
    242,905.30x = 63,265,904,828.30
  5. Step 5: Solve for x
    x = 63,265,904,828.30/242,905.30
  6. Step 6: Final answer
    x = 260,455.02

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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.