Home / 127,299.30-190,900.35-38,523.30

Finding the Fourth Proportional to 127,299.30, 190,900.35 and 38,523.30

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Solution

The fourth proportional to 127,299.30, 190,900.35 and 38,523.30 is: 57,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,299.30 : 190,900.35 = 38,523.30 : x
  2. Step 2: Convert to fraction form
    127,299.30/190,900.35 = 38,523.30/x
  3. Step 3: Cross multiply
    127,299.30x = 190,900.35 × 38,523.30
  4. Step 4: Simplify right side
    127,299.30x = 7,354,111,453.16
  5. Step 5: Solve for x
    x = 7,354,111,453.16/127,299.30
  6. Step 6: Final answer
    x = 57,770.24

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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.