Home / 256,734.05-354,265.73-141,994.45

Finding the Fourth Proportional to 256,734.05, 354,265.73 and 141,994.45

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Solution

The fourth proportional to 256,734.05, 354,265.73 and 141,994.45 is: 195,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,734.05 : 354,265.73 = 141,994.45 : x
  2. Step 2: Convert to fraction form
    256,734.05/354,265.73 = 141,994.45/x
  3. Step 3: Cross multiply
    256,734.05x = 354,265.73 × 141,994.45
  4. Step 4: Simplify right side
    256,734.05x = 50,303,767,750.54
  5. Step 5: Solve for x
    x = 50,303,767,750.54/256,734.05
  6. Step 6: Final answer
    x = 195,937.27

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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.