Home / 127,088.55-190,634.19-38,342.82

Finding the Fourth Proportional to 127,088.55, 190,634.19 and 38,342.82

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Solution

The fourth proportional to 127,088.55, 190,634.19 and 38,342.82 is: 57,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,088.55 : 190,634.19 = 38,342.82 : x
  2. Step 2: Convert to fraction form
    127,088.55/190,634.19 = 38,342.82/x
  3. Step 3: Cross multiply
    127,088.55x = 190,634.19 × 38,342.82
  4. Step 4: Simplify right side
    127,088.55x = 7,309,452,433.02
  5. Step 5: Solve for x
    x = 7,309,452,433.02/127,088.55
  6. Step 6: Final answer
    x = 57,514.64

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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.