Home / 354,623.76-489,382.41-193,482.15

Finding the Fourth Proportional to 354,623.76, 489,382.41 and 193,482.15

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Solution

The fourth proportional to 354,623.76, 489,382.41 and 193,482.15 is: 267,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,623.76 : 489,382.41 = 193,482.15 : x
  2. Step 2: Convert to fraction form
    354,623.76/489,382.41 = 193,482.15/x
  3. Step 3: Cross multiply
    354,623.76x = 489,382.41 × 193,482.15
  4. Step 4: Simplify right side
    354,623.76x = 94,686,760,858.98
  5. Step 5: Solve for x
    x = 94,686,760,858.98/354,623.76
  6. Step 6: Final answer
    x = 267,006.25

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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.