Home / 259,161.47-388,237.83-146,500.90

Finding the Fourth Proportional to 259,161.47, 388,237.83 and 146,500.90

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Solution

The fourth proportional to 259,161.47, 388,237.83 and 146,500.90 is: 219,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,161.47 : 388,237.83 = 146,500.90 : x
  2. Step 2: Convert to fraction form
    259,161.47/388,237.83 = 146,500.90/x
  3. Step 3: Cross multiply
    259,161.47x = 388,237.83 × 146,500.90
  4. Step 4: Simplify right side
    259,161.47x = 56,877,193,409.01
  5. Step 5: Solve for x
    x = 56,877,193,409.01/259,161.47
  6. Step 6: Final answer
    x = 219,466.24

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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.