Home / 124,228.80-171,458.16-73,238.64

Finding the Fourth Proportional to 124,228.80, 171,458.16 and 73,238.64

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Solution

The fourth proportional to 124,228.80, 171,458.16 and 73,238.64 is: 101,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,228.80 : 171,458.16 = 73,238.64 : x
  2. Step 2: Convert to fraction form
    124,228.80/171,458.16 = 73,238.64/x
  3. Step 3: Cross multiply
    124,228.80x = 171,458.16 × 73,238.64
  4. Step 4: Simplify right side
    124,228.80x = 12,557,362,455.30
  5. Step 5: Solve for x
    x = 12,557,362,455.30/124,228.80
  6. Step 6: Final answer
    x = 101,082.54

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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.