Home / 115,016.19-158,718.63-64,027.26

Finding the Fourth Proportional to 115,016.19, 158,718.63 and 64,027.26

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Solution

The fourth proportional to 115,016.19, 158,718.63 and 64,027.26 is: 88,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,016.19 : 158,718.63 = 64,027.26 : x
  2. Step 2: Convert to fraction form
    115,016.19/158,718.63 = 64,027.26/x
  3. Step 3: Cross multiply
    115,016.19x = 158,718.63 × 64,027.26
  4. Step 4: Simplify right side
    115,016.19x = 10,162,318,989.85
  5. Step 5: Solve for x
    x = 10,162,318,989.85/115,016.19
  6. Step 6: Final answer
    x = 88,355.55

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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.