Home / 127,277.69-190,759.79-52,351.07

Finding the Fourth Proportional to 127,277.69, 190,759.79 and 52,351.07

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Solution

The fourth proportional to 127,277.69, 190,759.79 and 52,351.07 is: 78,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,277.69 : 190,759.79 = 52,351.07 : x
  2. Step 2: Convert to fraction form
    127,277.69/190,759.79 = 52,351.07/x
  3. Step 3: Cross multiply
    127,277.69x = 190,759.79 × 52,351.07
  4. Step 4: Simplify right side
    127,277.69x = 9,986,478,296.55
  5. Step 5: Solve for x
    x = 9,986,478,296.55/127,277.69
  6. Step 6: Final answer
    x = 78,462.13

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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.