Home / 354,376.02-489,028.22-193,234.22

Finding the Fourth Proportional to 354,376.02, 489,028.22 and 193,234.22

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Solution

The fourth proportional to 354,376.02, 489,028.22 and 193,234.22 is: 266,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,376.02 : 489,028.22 = 193,234.22 : x
  2. Step 2: Convert to fraction form
    354,376.02/489,028.22 = 193,234.22/x
  3. Step 3: Cross multiply
    354,376.02x = 489,028.22 × 193,234.22
  4. Step 4: Simplify right side
    354,376.02x = 94,496,985,796.86
  5. Step 5: Solve for x
    x = 94,496,985,796.86/354,376.02
  6. Step 6: Final answer
    x = 266,657.39

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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.