Home / 432,780.03-649,174.91-133,258.23

Finding the Fourth Proportional to 432,780.03, 649,174.91 and 133,258.23

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Solution

The fourth proportional to 432,780.03, 649,174.91 and 133,258.23 is: 199,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,780.03 : 649,174.91 = 133,258.23 : x
  2. Step 2: Convert to fraction form
    432,780.03/649,174.91 = 133,258.23/x
  3. Step 3: Cross multiply
    432,780.03x = 649,174.91 × 133,258.23
  4. Step 4: Simplify right side
    432,780.03x = 86,507,898,800.72
  5. Step 5: Solve for x
    x = 86,507,898,800.72/432,780.03
  6. Step 6: Final answer
    x = 199,888.84

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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.