Home / 298,767.40-447,632.70-193,532.20

Finding the Fourth Proportional to 298,767.40, 447,632.70 and 193,532.20

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Solution

The fourth proportional to 298,767.40, 447,632.70 and 193,532.20 is: 289,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,767.40 : 447,632.70 = 193,532.20 : x
  2. Step 2: Convert to fraction form
    298,767.40/447,632.70 = 193,532.20/x
  3. Step 3: Cross multiply
    298,767.40x = 447,632.70 × 193,532.20
  4. Step 4: Simplify right side
    298,767.40x = 86,631,341,222.94
  5. Step 5: Solve for x
    x = 86,631,341,222.94/298,767.40
  6. Step 6: Final answer
    x = 289,962.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.