Home / 208,804.56-288,151.07-113,311.23

Finding the Fourth Proportional to 208,804.56, 288,151.07 and 113,311.23

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Solution

The fourth proportional to 208,804.56, 288,151.07 and 113,311.23 is: 156,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,804.56 : 288,151.07 = 113,311.23 : x
  2. Step 2: Convert to fraction form
    208,804.56/288,151.07 = 113,311.23/x
  3. Step 3: Cross multiply
    208,804.56x = 288,151.07 × 113,311.23
  4. Step 4: Simplify right side
    208,804.56x = 32,650,751,600.96
  5. Step 5: Solve for x
    x = 32,650,751,600.96/208,804.56
  6. Step 6: Final answer
    x = 156,369.92

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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.