Home / 433,040.22-649,518.57-133,440.36

Finding the Fourth Proportional to 433,040.22, 649,518.57 and 133,440.36

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Solution

The fourth proportional to 433,040.22, 649,518.57 and 133,440.36 is: 200,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,040.22 : 649,518.57 = 133,440.36 : x
  2. Step 2: Convert to fraction form
    433,040.22/649,518.57 = 133,440.36/x
  3. Step 3: Cross multiply
    433,040.22x = 649,518.57 × 133,440.36
  4. Step 4: Simplify right side
    433,040.22x = 86,671,987,892.69
  5. Step 5: Solve for x
    x = 86,671,987,892.69/433,040.22
  6. Step 6: Final answer
    x = 200,147.66

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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.