Home / 108,153.51-162,230.27-70,745.04

Finding the Fourth Proportional to 108,153.51, 162,230.27 and 70,745.04

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Solution

The fourth proportional to 108,153.51, 162,230.27 and 70,745.04 is: 106,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,153.51 : 162,230.27 = 70,745.04 : x
  2. Step 2: Convert to fraction form
    108,153.51/162,230.27 = 70,745.04/x
  3. Step 3: Cross multiply
    108,153.51x = 162,230.27 × 70,745.04
  4. Step 4: Simplify right side
    108,153.51x = 11,476,986,586.64
  5. Step 5: Solve for x
    x = 11,476,986,586.64/108,153.51
  6. Step 6: Final answer
    x = 106,117.56

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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.