Home / 256,734.12-354,265.81-141,994.53

Finding the Fourth Proportional to 256,734.12, 354,265.81 and 141,994.53

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Solution

The fourth proportional to 256,734.12, 354,265.81 and 141,994.53 is: 195,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,734.12 : 354,265.81 = 141,994.53 : x
  2. Step 2: Convert to fraction form
    256,734.12/354,265.81 = 141,994.53/x
  3. Step 3: Cross multiply
    256,734.12x = 354,265.81 × 141,994.53
  4. Step 4: Simplify right side
    256,734.12x = 50,303,807,186.02
  5. Step 5: Solve for x
    x = 50,303,807,186.02/256,734.12
  6. Step 6: Final answer
    x = 195,937.37

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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.