Home / 243,408.03-365,153.57-108,521.05

Finding the Fourth Proportional to 243,408.03, 365,153.57 and 108,521.05

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Solution

The fourth proportional to 243,408.03, 365,153.57 and 108,521.05 is: 162,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,408.03 : 365,153.57 = 108,521.05 : x
  2. Step 2: Convert to fraction form
    243,408.03/365,153.57 = 108,521.05/x
  3. Step 3: Cross multiply
    243,408.03x = 365,153.57 × 108,521.05
  4. Step 4: Simplify right side
    243,408.03x = 39,626,848,827.65
  5. Step 5: Solve for x
    x = 39,626,848,827.65/243,408.03
  6. Step 6: Final answer
    x = 162,800.09

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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.