Home / 127,298.16-190,895.22-55,255.68

Finding the Fourth Proportional to 127,298.16, 190,895.22 and 55,255.68

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Solution

The fourth proportional to 127,298.16, 190,895.22 and 55,255.68 is: 82,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,298.16 : 190,895.22 = 55,255.68 : x
  2. Step 2: Convert to fraction form
    127,298.16/190,895.22 = 55,255.68/x
  3. Step 3: Cross multiply
    127,298.16x = 190,895.22 × 55,255.68
  4. Step 4: Simplify right side
    127,298.16x = 10,548,045,189.85
  5. Step 5: Solve for x
    x = 10,548,045,189.85/127,298.16
  6. Step 6: Final answer
    x = 82,860.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.