Home / 219,255.64-302,320.56-161,977.84

Finding the Fourth Proportional to 219,255.64, 302,320.56 and 161,977.84

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Solution

The fourth proportional to 219,255.64, 302,320.56 and 161,977.84 is: 223,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,255.64 : 302,320.56 = 161,977.84 : x
  2. Step 2: Convert to fraction form
    219,255.64/302,320.56 = 161,977.84/x
  3. Step 3: Cross multiply
    219,255.64x = 302,320.56 × 161,977.84
  4. Step 4: Simplify right side
    219,255.64x = 48,969,231,296.39
  5. Step 5: Solve for x
    x = 48,969,231,296.39/219,255.64
  6. Step 6: Final answer
    x = 223,343.09

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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.