Home / 354,976.02-489,869.28-193,832.19

Finding the Fourth Proportional to 354,976.02, 489,869.28 and 193,832.19

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Solution

The fourth proportional to 354,976.02, 489,869.28 and 193,832.19 is: 267,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,976.02 : 489,869.28 = 193,832.19 : x
  2. Step 2: Convert to fraction form
    354,976.02/489,869.28 = 193,832.19/x
  3. Step 3: Cross multiply
    354,976.02x = 489,869.28 × 193,832.19
  4. Step 4: Simplify right side
    354,976.02x = 94,952,435,356.12
  5. Step 5: Solve for x
    x = 94,952,435,356.12/354,976.02
  6. Step 6: Final answer
    x = 267,489.72

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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.