Home / 443,664.36-665,423.64-159,296.04

Finding the Fourth Proportional to 443,664.36, 665,423.64 and 159,296.04

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Solution

The fourth proportional to 443,664.36, 665,423.64 and 159,296.04 is: 238,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,664.36 : 665,423.64 = 159,296.04 : x
  2. Step 2: Convert to fraction form
    443,664.36/665,423.64 = 159,296.04/x
  3. Step 3: Cross multiply
    443,664.36x = 665,423.64 × 159,296.04
  4. Step 4: Simplify right side
    443,664.36x = 105,999,350,774.39
  5. Step 5: Solve for x
    x = 105,999,350,774.39/443,664.36
  6. Step 6: Final answer
    x = 238,917.89

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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.