Home / 127,193.40-190,717.20-38,433.60

Finding the Fourth Proportional to 127,193.40, 190,717.20 and 38,433.60

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Solution

The fourth proportional to 127,193.40, 190,717.20 and 38,433.60 is: 57,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,193.40 : 190,717.20 = 38,433.60 : x
  2. Step 2: Convert to fraction form
    127,193.40/190,717.20 = 38,433.60/x
  3. Step 3: Cross multiply
    127,193.40x = 190,717.20 × 38,433.60
  4. Step 4: Simplify right side
    127,193.40x = 7,329,948,577.92
  5. Step 5: Solve for x
    x = 7,329,948,577.92/127,193.40
  6. Step 6: Final answer
    x = 57,628.37

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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.