Home / 243,913.20-365,876.22-66,423.84

Finding the Fourth Proportional to 243,913.20, 365,876.22 and 66,423.84

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Solution

The fourth proportional to 243,913.20, 365,876.22 and 66,423.84 is: 99,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,913.20 : 365,876.22 = 66,423.84 : x
  2. Step 2: Convert to fraction form
    243,913.20/365,876.22 = 66,423.84/x
  3. Step 3: Cross multiply
    243,913.20x = 365,876.22 × 66,423.84
  4. Step 4: Simplify right side
    243,913.20x = 24,302,903,497.08
  5. Step 5: Solve for x
    x = 24,302,903,497.08/243,913.20
  6. Step 6: Final answer
    x = 99,637.51

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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.