Home / 256,631.49-354,137.04-141,903.45

Finding the Fourth Proportional to 256,631.49, 354,137.04 and 141,903.45

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Solution

The fourth proportional to 256,631.49, 354,137.04 and 141,903.45 is: 195,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,631.49 : 354,137.04 = 141,903.45 : x
  2. Step 2: Convert to fraction form
    256,631.49/354,137.04 = 141,903.45/x
  3. Step 3: Cross multiply
    256,631.49x = 354,137.04 × 141,903.45
  4. Step 4: Simplify right side
    256,631.49x = 50,253,267,748.79
  5. Step 5: Solve for x
    x = 50,253,267,748.79/256,631.49
  6. Step 6: Final answer
    x = 195,818.79

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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.