Home / 354,520.02-489,244.28-193,380.82

Finding the Fourth Proportional to 354,520.02, 489,244.28 and 193,380.82

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Solution

The fourth proportional to 354,520.02, 489,244.28 and 193,380.82 is: 266,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,520.02 : 489,244.28 = 193,380.82 : x
  2. Step 2: Convert to fraction form
    354,520.02/489,244.28 = 193,380.82/x
  3. Step 3: Cross multiply
    354,520.02x = 489,244.28 × 193,380.82
  4. Step 4: Simplify right side
    354,520.02x = 94,610,460,046.71
  5. Step 5: Solve for x
    x = 94,610,460,046.71/354,520.02
  6. Step 6: Final answer
    x = 266,869.16

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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.