Home / 127,084.29-190,627.81-38,338.57

Finding the Fourth Proportional to 127,084.29, 190,627.81 and 38,338.57

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Solution

The fourth proportional to 127,084.29, 190,627.81 and 38,338.57 is: 57,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.29 : 190,627.81 = 38,338.57 : x
  2. Step 2: Convert to fraction form
    127,084.29/190,627.81 = 38,338.57/x
  3. Step 3: Cross multiply
    127,084.29x = 190,627.81 × 38,338.57
  4. Step 4: Simplify right side
    127,084.29x = 7,308,397,637.63
  5. Step 5: Solve for x
    x = 7,308,397,637.63/127,084.29
  6. Step 6: Final answer
    x = 57,508.27

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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.