Home / 123,224.32-170,049.36-69,509.17

Finding the Fourth Proportional to 123,224.32, 170,049.36 and 69,509.17

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Solution

The fourth proportional to 123,224.32, 170,049.36 and 69,509.17 is: 95,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,224.32 : 170,049.36 = 69,509.17 : x
  2. Step 2: Convert to fraction form
    123,224.32/170,049.36 = 69,509.17/x
  3. Step 3: Cross multiply
    123,224.32x = 170,049.36 × 69,509.17
  4. Step 4: Simplify right side
    123,224.32x = 11,819,989,872.63
  5. Step 5: Solve for x
    x = 11,819,989,872.63/123,224.32
  6. Step 6: Final answer
    x = 95,922.54

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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.