Home / 354,769.45-489,583.58-193,628.25

Finding the Fourth Proportional to 354,769.45, 489,583.58 and 193,628.25

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Solution

The fourth proportional to 354,769.45, 489,583.58 and 193,628.25 is: 267,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,769.45 : 489,583.58 = 193,628.25 : x
  2. Step 2: Convert to fraction form
    354,769.45/489,583.58 = 193,628.25/x
  3. Step 3: Cross multiply
    354,769.45x = 489,583.58 × 193,628.25
  4. Step 4: Simplify right side
    354,769.45x = 94,797,210,855.99
  5. Step 5: Solve for x
    x = 94,797,210,855.99/354,769.45
  6. Step 6: Final answer
    x = 267,207.93

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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.