Home / 144,896.40-199,956.60-81,233.64

Finding the Fourth Proportional to 144,896.40, 199,956.60 and 81,233.64

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Solution

The fourth proportional to 144,896.40, 199,956.60 and 81,233.64 is: 112,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,896.40 : 199,956.60 = 81,233.64 : x
  2. Step 2: Convert to fraction form
    144,896.40/199,956.60 = 81,233.64/x
  3. Step 3: Cross multiply
    144,896.40x = 199,956.60 × 81,233.64
  4. Step 4: Simplify right side
    144,896.40x = 16,243,202,460.02
  5. Step 5: Solve for x
    x = 16,243,202,460.02/144,896.40
  6. Step 6: Final answer
    x = 112,102.18

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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.