Home / 381,861.56-526,985.37-212,095.69

Finding the Fourth Proportional to 381,861.56, 526,985.37 and 212,095.69

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Solution

The fourth proportional to 381,861.56, 526,985.37 and 212,095.69 is: 292,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,861.56 : 526,985.37 = 212,095.69 : x
  2. Step 2: Convert to fraction form
    381,861.56/526,985.37 = 212,095.69/x
  3. Step 3: Cross multiply
    381,861.56x = 526,985.37 × 212,095.69
  4. Step 4: Simplify right side
    381,861.56x = 111,771,324,352.59
  5. Step 5: Solve for x
    x = 111,771,324,352.59/381,861.56
  6. Step 6: Final answer
    x = 292,701.17

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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.