Home / 135,237.54-186,780.99-92,142.30

Finding the Fourth Proportional to 135,237.54, 186,780.99 and 92,142.30

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Solution

The fourth proportional to 135,237.54, 186,780.99 and 92,142.30 is: 127,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,237.54 : 186,780.99 = 92,142.30 : x
  2. Step 2: Convert to fraction form
    135,237.54/186,780.99 = 92,142.30/x
  3. Step 3: Cross multiply
    135,237.54x = 186,780.99 × 92,142.30
  4. Step 4: Simplify right side
    135,237.54x = 17,210,430,014.88
  5. Step 5: Solve for x
    x = 17,210,430,014.88/135,237.54
  6. Step 6: Final answer
    x = 127,260.74

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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.