Home / 127,100.26-190,651.74-38,354.55

Finding the Fourth Proportional to 127,100.26, 190,651.74 and 38,354.55

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Solution

The fourth proportional to 127,100.26, 190,651.74 and 38,354.55 is: 57,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,100.26 : 190,651.74 = 38,354.55 : x
  2. Step 2: Convert to fraction form
    127,100.26/190,651.74 = 38,354.55/x
  3. Step 3: Cross multiply
    127,100.26x = 190,651.74 × 38,354.55
  4. Step 4: Simplify right side
    127,100.26x = 7,312,360,741.16
  5. Step 5: Solve for x
    x = 7,312,360,741.16/127,100.26
  6. Step 6: Final answer
    x = 57,532.22

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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.