Home / 221,386.37-330,352.83-197,529.98

Finding the Fourth Proportional to 221,386.37, 330,352.83 and 197,529.98

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Solution

The fourth proportional to 221,386.37, 330,352.83 and 197,529.98 is: 294,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,386.37 : 330,352.83 = 197,529.98 : x
  2. Step 2: Convert to fraction form
    221,386.37/330,352.83 = 197,529.98/x
  3. Step 3: Cross multiply
    221,386.37x = 330,352.83 × 197,529.98
  4. Step 4: Simplify right side
    221,386.37x = 65,254,586,251.08
  5. Step 5: Solve for x
    x = 65,254,586,251.08/221,386.37
  6. Step 6: Final answer
    x = 294,754.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.