Home / 127,084.98-190,628.84-38,339.26

Finding the Fourth Proportional to 127,084.98, 190,628.84 and 38,339.26

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Solution

The fourth proportional to 127,084.98, 190,628.84 and 38,339.26 is: 57,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.98 : 190,628.84 = 38,339.26 : x
  2. Step 2: Convert to fraction form
    127,084.98/190,628.84 = 38,339.26/x
  3. Step 3: Cross multiply
    127,084.98x = 190,628.84 × 38,339.26
  4. Step 4: Simplify right side
    127,084.98x = 7,308,568,279.53
  5. Step 5: Solve for x
    x = 7,308,568,279.53/127,084.98
  6. Step 6: Final answer
    x = 57,509.30

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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.