Home / 208,928.61-288,327.33-113,441.49

Finding the Fourth Proportional to 208,928.61, 288,327.33 and 113,441.49

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Solution

The fourth proportional to 208,928.61, 288,327.33 and 113,441.49 is: 156,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,928.61 : 288,327.33 = 113,441.49 : x
  2. Step 2: Convert to fraction form
    208,928.61/288,327.33 = 113,441.49/x
  3. Step 3: Cross multiply
    208,928.61x = 288,327.33 × 113,441.49
  4. Step 4: Simplify right side
    208,928.61x = 32,708,281,922.92
  5. Step 5: Solve for x
    x = 32,708,281,922.92/208,928.61
  6. Step 6: Final answer
    x = 156,552.43

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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.