Home / 209,771.20-289,484.58-114,275.44

Finding the Fourth Proportional to 209,771.20, 289,484.58 and 114,275.44

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Solution

The fourth proportional to 209,771.20, 289,484.58 and 114,275.44 is: 157,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,771.20 : 289,484.58 = 114,275.44 : x
  2. Step 2: Convert to fraction form
    209,771.20/289,484.58 = 114,275.44/x
  3. Step 3: Cross multiply
    209,771.20x = 289,484.58 × 114,275.44
  4. Step 4: Simplify right side
    209,771.20x = 33,080,977,752.72
  5. Step 5: Solve for x
    x = 33,080,977,752.72/209,771.20
  6. Step 6: Final answer
    x = 157,700.28

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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.