Home / 135,234.54-186,776.85-92,139.30

Finding the Fourth Proportional to 135,234.54, 186,776.85 and 92,139.30

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Solution

The fourth proportional to 135,234.54, 186,776.85 and 92,139.30 is: 127,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,234.54 : 186,776.85 = 92,139.30 : x
  2. Step 2: Convert to fraction form
    135,234.54/186,776.85 = 92,139.30/x
  3. Step 3: Cross multiply
    135,234.54x = 186,776.85 × 92,139.30
  4. Step 4: Simplify right side
    135,234.54x = 17,209,488,215.21
  5. Step 5: Solve for x
    x = 17,209,488,215.21/135,234.54
  6. Step 6: Final answer
    x = 127,256.60

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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.