Home / 115,323.06-159,157.24-69,997.48

Finding the Fourth Proportional to 115,323.06, 159,157.24 and 69,997.48

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Solution

The fourth proportional to 115,323.06, 159,157.24 and 69,997.48 is: 96,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,323.06 : 159,157.24 = 69,997.48 : x
  2. Step 2: Convert to fraction form
    115,323.06/159,157.24 = 69,997.48/x
  3. Step 3: Cross multiply
    115,323.06x = 159,157.24 × 69,997.48
  4. Step 4: Simplify right side
    115,323.06x = 11,140,605,723.76
  5. Step 5: Solve for x
    x = 11,140,605,723.76/115,323.06
  6. Step 6: Final answer
    x = 96,603.45

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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.