Home / 126,412.41-174,434.26-69,820.41

Finding the Fourth Proportional to 126,412.41, 174,434.26 and 69,820.41

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Solution

The fourth proportional to 126,412.41, 174,434.26 and 69,820.41 is: 96,343.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,412.41 : 174,434.26 = 69,820.41 : x
  2. Step 2: Convert to fraction form
    126,412.41/174,434.26 = 69,820.41/x
  3. Step 3: Cross multiply
    126,412.41x = 174,434.26 × 69,820.41
  4. Step 4: Simplify right side
    126,412.41x = 12,179,071,551.25
  5. Step 5: Solve for x
    x = 12,179,071,551.25/126,412.41
  6. Step 6: Final answer
    x = 96,343.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.