Home / 256,669.41-354,204.60-143,492.16

Finding the Fourth Proportional to 256,669.41, 354,204.60 and 143,492.16

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Solution

The fourth proportional to 256,669.41, 354,204.60 and 143,492.16 is: 198,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,669.41 : 354,204.60 = 143,492.16 : x
  2. Step 2: Convert to fraction form
    256,669.41/354,204.60 = 143,492.16/x
  3. Step 3: Cross multiply
    256,669.41x = 354,204.60 × 143,492.16
  4. Step 4: Simplify right side
    256,669.41x = 50,825,583,135.94
  5. Step 5: Solve for x
    x = 50,825,583,135.94/256,669.41
  6. Step 6: Final answer
    x = 198,019.64

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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.