Home / 163,686.30-245,529.45-111,198.30

Finding the Fourth Proportional to 163,686.30, 245,529.45 and 111,198.30

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Solution

The fourth proportional to 163,686.30, 245,529.45 and 111,198.30 is: 166,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,686.30 : 245,529.45 = 111,198.30 : x
  2. Step 2: Convert to fraction form
    163,686.30/245,529.45 = 111,198.30/x
  3. Step 3: Cross multiply
    163,686.30x = 245,529.45 × 111,198.30
  4. Step 4: Simplify right side
    163,686.30x = 27,302,457,439.94
  5. Step 5: Solve for x
    x = 27,302,457,439.94/163,686.30
  6. Step 6: Final answer
    x = 166,797.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.