Home / 147,280.93-203,240.44-83,610.37

Finding the Fourth Proportional to 147,280.93, 203,240.44 and 83,610.37

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Solution

The fourth proportional to 147,280.93, 203,240.44 and 83,610.37 is: 115,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,280.93 : 203,240.44 = 83,610.37 : x
  2. Step 2: Convert to fraction form
    147,280.93/203,240.44 = 83,610.37/x
  3. Step 3: Cross multiply
    147,280.93x = 203,240.44 × 83,610.37
  4. Step 4: Simplify right side
    147,280.93x = 16,993,008,387.36
  5. Step 5: Solve for x
    x = 16,993,008,387.36/147,280.93
  6. Step 6: Final answer
    x = 115,378.20

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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.