Home / 208,866.40-288,234.66-113,372.26

Finding the Fourth Proportional to 208,866.40, 288,234.66 and 113,372.26

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Solution

The fourth proportional to 208,866.40, 288,234.66 and 113,372.26 is: 156,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,866.40 : 288,234.66 = 113,372.26 : x
  2. Step 2: Convert to fraction form
    208,866.40/288,234.66 = 113,372.26/x
  3. Step 3: Cross multiply
    208,866.40x = 288,234.66 × 113,372.26
  4. Step 4: Simplify right side
    208,866.40x = 32,677,814,814.53
  5. Step 5: Solve for x
    x = 32,677,814,814.53/208,866.40
  6. Step 6: Final answer
    x = 156,453.19

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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.