Home / 381,059.24-525,885.35-211,293.36

Finding the Fourth Proportional to 381,059.24, 525,885.35 and 211,293.36

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Solution

The fourth proportional to 381,059.24, 525,885.35 and 211,293.36 is: 291,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,059.24 : 525,885.35 = 211,293.36 : x
  2. Step 2: Convert to fraction form
    381,059.24/525,885.35 = 211,293.36/x
  3. Step 3: Cross multiply
    381,059.24x = 525,885.35 × 211,293.36
  4. Step 4: Simplify right side
    381,059.24x = 111,116,081,519.81
  5. Step 5: Solve for x
    x = 111,116,081,519.81/381,059.24
  6. Step 6: Final answer
    x = 291,597.92

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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.