Home / 256,096.36-353,433-142,936.12

Finding the Fourth Proportional to 256,096.36, 353,433 and 142,936.12

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Solution

The fourth proportional to 256,096.36, 353,433 and 142,936.12 is: 197,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,096.36 : 353,433 = 142,936.12 : x
  2. Step 2: Convert to fraction form
    256,096.36/353,433 = 142,936.12/x
  3. Step 3: Cross multiply
    256,096.36x = 353,433 × 142,936.12
  4. Step 4: Simplify right side
    256,096.36x = 50,518,341,699.96
  5. Step 5: Solve for x
    x = 50,518,341,699.96/256,096.36
  6. Step 6: Final answer
    x = 197,263.02

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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.