Home / 443,161.39-664,829.57-162,681.07

Finding the Fourth Proportional to 443,161.39, 664,829.57 and 162,681.07

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Solution

The fourth proportional to 443,161.39, 664,829.57 and 162,681.07 is: 244,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,161.39 : 664,829.57 = 162,681.07 : x
  2. Step 2: Convert to fraction form
    443,161.39/664,829.57 = 162,681.07/x
  3. Step 3: Cross multiply
    443,161.39x = 664,829.57 × 162,681.07
  4. Step 4: Simplify right side
    443,161.39x = 108,155,185,001.84
  5. Step 5: Solve for x
    x = 108,155,185,001.84/443,161.39
  6. Step 6: Final answer
    x = 244,053.72

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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.