Home / 354,816.32-489,660.96-193,682.24

Finding the Fourth Proportional to 354,816.32, 489,660.96 and 193,682.24

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Solution

The fourth proportional to 354,816.32, 489,660.96 and 193,682.24 is: 267,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,816.32 : 489,660.96 = 193,682.24 : x
  2. Step 2: Convert to fraction form
    354,816.32/489,660.96 = 193,682.24/x
  3. Step 3: Cross multiply
    354,816.32x = 489,660.96 × 193,682.24
  4. Step 4: Simplify right side
    354,816.32x = 94,838,631,573.35
  5. Step 5: Solve for x
    x = 94,838,631,573.35/354,816.32
  6. Step 6: Final answer
    x = 267,289.37

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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.