Home / 126,953.20-190,430.48-38,206.10

Finding the Fourth Proportional to 126,953.20, 190,430.48 and 38,206.10

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Solution

The fourth proportional to 126,953.20, 190,430.48 and 38,206.10 is: 57,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,953.20 : 190,430.48 = 38,206.10 : x
  2. Step 2: Convert to fraction form
    126,953.20/190,430.48 = 38,206.10/x
  3. Step 3: Cross multiply
    126,953.20x = 190,430.48 × 38,206.10
  4. Step 4: Simplify right side
    126,953.20x = 7,275,605,961.93
  5. Step 5: Solve for x
    x = 7,275,605,961.93/126,953.20
  6. Step 6: Final answer
    x = 57,309.35

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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.