Home / 111,828.08-167,340.12-82,172.24

Finding the Fourth Proportional to 111,828.08, 167,340.12 and 82,172.24

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Solution

The fourth proportional to 111,828.08, 167,340.12 and 82,172.24 is: 122,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,828.08 : 167,340.12 = 82,172.24 : x
  2. Step 2: Convert to fraction form
    111,828.08/167,340.12 = 82,172.24/x
  3. Step 3: Cross multiply
    111,828.08x = 167,340.12 × 82,172.24
  4. Step 4: Simplify right side
    111,828.08x = 13,750,712,502.27
  5. Step 5: Solve for x
    x = 13,750,712,502.27/111,828.08
  6. Step 6: Final answer
    x = 122,962.97

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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.