Home / 126,824.67-190,071.68-70,662.51

Finding the Fourth Proportional to 126,824.67, 190,071.68 and 70,662.51

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Solution

The fourth proportional to 126,824.67, 190,071.68 and 70,662.51 is: 105,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,824.67 : 190,071.68 = 70,662.51 : x
  2. Step 2: Convert to fraction form
    126,824.67/190,071.68 = 70,662.51/x
  3. Step 3: Cross multiply
    126,824.67x = 190,071.68 × 70,662.51
  4. Step 4: Simplify right side
    126,824.67x = 13,430,941,635.40
  5. Step 5: Solve for x
    x = 13,430,941,635.40/126,824.67
  6. Step 6: Final answer
    x = 105,901.65

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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.