Home / 381,756.22-526,871.91-230,852.86

Finding the Fourth Proportional to 381,756.22, 526,871.91 and 230,852.86

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Solution

The fourth proportional to 381,756.22, 526,871.91 and 230,852.86 is: 318,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,756.22 : 526,871.91 = 230,852.86 : x
  2. Step 2: Convert to fraction form
    381,756.22/526,871.91 = 230,852.86/x
  3. Step 3: Cross multiply
    381,756.22x = 526,871.91 × 230,852.86
  4. Step 4: Simplify right side
    381,756.22x = 121,629,887,277.16
  5. Step 5: Solve for x
    x = 121,629,887,277.16/381,756.22
  6. Step 6: Final answer
    x = 318,606.17

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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.