Home / 147,315.40-203,208.42-104,246.44

Finding the Fourth Proportional to 147,315.40, 203,208.42 and 104,246.44

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Solution

The fourth proportional to 147,315.40, 203,208.42 and 104,246.44 is: 143,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,315.40 : 203,208.42 = 104,246.44 : x
  2. Step 2: Convert to fraction form
    147,315.40/203,208.42 = 104,246.44/x
  3. Step 3: Cross multiply
    147,315.40x = 203,208.42 × 104,246.44
  4. Step 4: Simplify right side
    147,315.40x = 21,183,754,363.02
  5. Step 5: Solve for x
    x = 21,183,754,363.02/147,315.40
  6. Step 6: Final answer
    x = 143,798.64

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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.