Home / 251,191.12-346,558.01-155,662.96

Finding the Fourth Proportional to 251,191.12, 346,558.01 and 155,662.96

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Solution

The fourth proportional to 251,191.12, 346,558.01 and 155,662.96 is: 214,761.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,191.12 : 346,558.01 = 155,662.96 : x
  2. Step 2: Convert to fraction form
    251,191.12/346,558.01 = 155,662.96/x
  3. Step 3: Cross multiply
    251,191.12x = 346,558.01 × 155,662.96
  4. Step 4: Simplify right side
    251,191.12x = 53,946,243,137.20
  5. Step 5: Solve for x
    x = 53,946,243,137.20/251,191.12
  6. Step 6: Final answer
    x = 214,761.75

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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.