Home / 147,216.96-203,164.32-80,151.36

Finding the Fourth Proportional to 147,216.96, 203,164.32 and 80,151.36

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Solution

The fourth proportional to 147,216.96, 203,164.32 and 80,151.36 is: 110,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,216.96 : 203,164.32 = 80,151.36 : x
  2. Step 2: Convert to fraction form
    147,216.96/203,164.32 = 80,151.36/x
  3. Step 3: Cross multiply
    147,216.96x = 203,164.32 × 80,151.36
  4. Step 4: Simplify right side
    147,216.96x = 16,283,896,551.48
  5. Step 5: Solve for x
    x = 16,283,896,551.48/147,216.96
  6. Step 6: Final answer
    x = 110,611.55

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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.