Home / 209,173.28-288,560.53-151,686.49

Finding the Fourth Proportional to 209,173.28, 288,560.53 and 151,686.49

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Solution

The fourth proportional to 209,173.28, 288,560.53 and 151,686.49 is: 209,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,173.28 : 288,560.53 = 151,686.49 : x
  2. Step 2: Convert to fraction form
    209,173.28/288,560.53 = 151,686.49/x
  3. Step 3: Cross multiply
    209,173.28x = 288,560.53 × 151,686.49
  4. Step 4: Simplify right side
    209,173.28x = 43,770,731,747.00
  5. Step 5: Solve for x
    x = 43,770,731,747.00/209,173.28
  6. Step 6: Final answer
    x = 209,255.85

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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.