Home / 111,816.08-167,322.12-82,160.24

Finding the Fourth Proportional to 111,816.08, 167,322.12 and 82,160.24

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Solution

The fourth proportional to 111,816.08, 167,322.12 and 82,160.24 is: 122,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,816.08 : 167,322.12 = 82,160.24 : x
  2. Step 2: Convert to fraction form
    111,816.08/167,322.12 = 82,160.24/x
  3. Step 3: Cross multiply
    111,816.08x = 167,322.12 × 82,160.24
  4. Step 4: Simplify right side
    111,816.08x = 13,747,225,536.51
  5. Step 5: Solve for x
    x = 13,747,225,536.51/111,816.08
  6. Step 6: Final answer
    x = 122,944.98

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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.