Home / 147,728.96-203,620.48-104,653.16

Finding the Fourth Proportional to 147,728.96, 203,620.48 and 104,653.16

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Solution

The fourth proportional to 147,728.96, 203,620.48 and 104,653.16 is: 144,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,728.96 : 203,620.48 = 104,653.16 : x
  2. Step 2: Convert to fraction form
    147,728.96/203,620.48 = 104,653.16/x
  3. Step 3: Cross multiply
    147,728.96x = 203,620.48 × 104,653.16
  4. Step 4: Simplify right side
    147,728.96x = 21,309,526,672.72
  5. Step 5: Solve for x
    x = 21,309,526,672.72/147,728.96
  6. Step 6: Final answer
    x = 144,247.46

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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.