Home / 114,910.04-158,445.11-80,907.66

Finding the Fourth Proportional to 114,910.04, 158,445.11 and 80,907.66

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Solution

The fourth proportional to 114,910.04, 158,445.11 and 80,907.66 is: 111,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,910.04 : 158,445.11 = 80,907.66 : x
  2. Step 2: Convert to fraction form
    114,910.04/158,445.11 = 80,907.66/x
  3. Step 3: Cross multiply
    114,910.04x = 158,445.11 × 80,907.66
  4. Step 4: Simplify right side
    114,910.04x = 12,819,423,290.81
  5. Step 5: Solve for x
    x = 12,819,423,290.81/114,910.04
  6. Step 6: Final answer
    x = 111,560.51

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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.