Home / 147,701.36-203,826.84-80,633.36

Finding the Fourth Proportional to 147,701.36, 203,826.84 and 80,633.36

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Solution

The fourth proportional to 147,701.36, 203,826.84 and 80,633.36 is: 111,273.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.36 : 203,826.84 = 80,633.36 : x
  2. Step 2: Convert to fraction form
    147,701.36/203,826.84 = 80,633.36/x
  3. Step 3: Cross multiply
    147,701.36x = 203,826.84 × 80,633.36
  4. Step 4: Simplify right side
    147,701.36x = 16,435,242,967.38
  5. Step 5: Solve for x
    x = 16,435,242,967.38/147,701.36
  6. Step 6: Final answer
    x = 111,273.47

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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.