Home / 219,086.05-302,337.64-122,284.37

Finding the Fourth Proportional to 219,086.05, 302,337.64 and 122,284.37

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Solution

The fourth proportional to 219,086.05, 302,337.64 and 122,284.37 is: 168,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,086.05 : 302,337.64 = 122,284.37 : x
  2. Step 2: Convert to fraction form
    219,086.05/302,337.64 = 122,284.37/x
  3. Step 3: Cross multiply
    219,086.05x = 302,337.64 × 122,284.37
  4. Step 4: Simplify right side
    219,086.05x = 36,971,166,698.81
  5. Step 5: Solve for x
    x = 36,971,166,698.81/219,086.05
  6. Step 6: Final answer
    x = 168,751.81

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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.