Home / 219,258.32-302,576.36-123,765.84

Finding the Fourth Proportional to 219,258.32, 302,576.36 and 123,765.84

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Solution

The fourth proportional to 219,258.32, 302,576.36 and 123,765.84 is: 170,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,258.32 : 302,576.36 = 123,765.84 : x
  2. Step 2: Convert to fraction form
    219,258.32/302,576.36 = 123,765.84/x
  3. Step 3: Cross multiply
    219,258.32x = 302,576.36 × 123,765.84
  4. Step 4: Simplify right side
    219,258.32x = 37,448,617,359.54
  5. Step 5: Solve for x
    x = 37,448,617,359.54/219,258.32
  6. Step 6: Final answer
    x = 170,796.79

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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.