Home / 209,267.85-288,771.06-116,135.94

Finding the Fourth Proportional to 209,267.85, 288,771.06 and 116,135.94

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Solution

The fourth proportional to 209,267.85, 288,771.06 and 116,135.94 is: 160,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,267.85 : 288,771.06 = 116,135.94 : x
  2. Step 2: Convert to fraction form
    209,267.85/288,771.06 = 116,135.94/x
  3. Step 3: Cross multiply
    209,267.85x = 288,771.06 × 116,135.94
  4. Step 4: Simplify right side
    209,267.85x = 33,536,698,497.90
  5. Step 5: Solve for x
    x = 33,536,698,497.90/209,267.85
  6. Step 6: Final answer
    x = 160,257.29

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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.