Home / 354,966.27-489,873.38-193,836.30

Finding the Fourth Proportional to 354,966.27, 489,873.38 and 193,836.30

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Solution

The fourth proportional to 354,966.27, 489,873.38 and 193,836.30 is: 267,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,966.27 : 489,873.38 = 193,836.30 : x
  2. Step 2: Convert to fraction form
    354,966.27/489,873.38 = 193,836.30/x
  3. Step 3: Cross multiply
    354,966.27x = 489,873.38 × 193,836.30
  4. Step 4: Simplify right side
    354,966.27x = 94,955,242,478.51
  5. Step 5: Solve for x
    x = 94,955,242,478.51/354,966.27
  6. Step 6: Final answer
    x = 267,504.97

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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.