Home / 127,107.36-190,428.66-59,515.38

Finding the Fourth Proportional to 127,107.36, 190,428.66 and 59,515.38

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Solution

The fourth proportional to 127,107.36, 190,428.66 and 59,515.38 is: 89,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,107.36 : 190,428.66 = 59,515.38 : x
  2. Step 2: Convert to fraction form
    127,107.36/190,428.66 = 59,515.38/x
  3. Step 3: Cross multiply
    127,107.36x = 190,428.66 × 59,515.38
  4. Step 4: Simplify right side
    127,107.36x = 11,333,434,062.79
  5. Step 5: Solve for x
    x = 11,333,434,062.79/127,107.36
  6. Step 6: Final answer
    x = 89,164.26

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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.