Home / 433,265.78-649,739.49-148,875.66

Finding the Fourth Proportional to 433,265.78, 649,739.49 and 148,875.66

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Solution

The fourth proportional to 433,265.78, 649,739.49 and 148,875.66 is: 223,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,265.78 : 649,739.49 = 148,875.66 : x
  2. Step 2: Convert to fraction form
    433,265.78/649,739.49 = 148,875.66/x
  3. Step 3: Cross multiply
    433,265.78x = 649,739.49 × 148,875.66
  4. Step 4: Simplify right side
    433,265.78x = 96,730,395,401.81
  5. Step 5: Solve for x
    x = 96,730,395,401.81/433,265.78
  6. Step 6: Final answer
    x = 223,258.80

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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.