Home / 381,155.40-525,986.61-235,922.67

Finding the Fourth Proportional to 381,155.40, 525,986.61 and 235,922.67

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Solution

The fourth proportional to 381,155.40, 525,986.61 and 235,922.67 is: 325,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,155.40 : 525,986.61 = 235,922.67 : x
  2. Step 2: Convert to fraction form
    381,155.40/525,986.61 = 235,922.67/x
  3. Step 3: Cross multiply
    381,155.40x = 525,986.61 × 235,922.67
  4. Step 4: Simplify right side
    381,155.40x = 124,092,165,415.45
  5. Step 5: Solve for x
    x = 124,092,165,415.45/381,155.40
  6. Step 6: Final answer
    x = 325,568.43

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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.