Home / 251,191.37-346,558.34-155,663.21

Finding the Fourth Proportional to 251,191.37, 346,558.34 and 155,663.21

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Solution

The fourth proportional to 251,191.37, 346,558.34 and 155,663.21 is: 214,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,191.37 : 346,558.34 = 155,663.21 : x
  2. Step 2: Convert to fraction form
    251,191.37/346,558.34 = 155,663.21/x
  3. Step 3: Cross multiply
    251,191.37x = 346,558.34 × 155,663.21
  4. Step 4: Simplify right side
    251,191.37x = 53,946,384,912.23
  5. Step 5: Solve for x
    x = 53,946,384,912.23/251,191.37
  6. Step 6: Final answer
    x = 214,762.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.