Home / 443,428.51-665,208.48-162,923.89

Finding the Fourth Proportional to 443,428.51, 665,208.48 and 162,923.89

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Solution

The fourth proportional to 443,428.51, 665,208.48 and 162,923.89 is: 244,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,428.51 : 665,208.48 = 162,923.89 : x
  2. Step 2: Convert to fraction form
    443,428.51/665,208.48 = 162,923.89/x
  3. Step 3: Cross multiply
    443,428.51x = 665,208.48 × 162,923.89
  4. Step 4: Simplify right side
    443,428.51x = 108,378,353,222.59
  5. Step 5: Solve for x
    x = 108,378,353,222.59/443,428.51
  6. Step 6: Final answer
    x = 244,409.98

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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.