Home / 140,241.54-193,533.30-76,579.39

Finding the Fourth Proportional to 140,241.54, 193,533.30 and 76,579.39

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Solution

The fourth proportional to 140,241.54, 193,533.30 and 76,579.39 is: 105,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,241.54 : 193,533.30 = 76,579.39 : x
  2. Step 2: Convert to fraction form
    140,241.54/193,533.30 = 76,579.39/x
  3. Step 3: Cross multiply
    140,241.54x = 193,533.30 × 76,579.39
  4. Step 4: Simplify right side
    140,241.54x = 14,820,662,058.69
  5. Step 5: Solve for x
    x = 14,820,662,058.69/140,241.54
  6. Step 6: Final answer
    x = 105,679.54

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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.