Home / 284,783.06-393,323.51-193,981.57

Finding the Fourth Proportional to 284,783.06, 393,323.51 and 193,981.57

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Solution

The fourth proportional to 284,783.06, 393,323.51 and 193,981.57 is: 267,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,783.06 : 393,323.51 = 193,981.57 : x
  2. Step 2: Convert to fraction form
    284,783.06/393,323.51 = 193,981.57/x
  3. Step 3: Cross multiply
    284,783.06x = 393,323.51 × 193,981.57
  4. Step 4: Simplify right side
    284,783.06x = 76,297,511,489.36
  5. Step 5: Solve for x
    x = 76,297,511,489.36/284,783.06
  6. Step 6: Final answer
    x = 267,914.50

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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.