Home / 126,315.03-174,314.39-69,726

Finding the Fourth Proportional to 126,315.03, 174,314.39 and 69,726

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Solution

The fourth proportional to 126,315.03, 174,314.39 and 69,726 is: 96,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,315.03 : 174,314.39 = 69,726 : x
  2. Step 2: Convert to fraction form
    126,315.03/174,314.39 = 69,726/x
  3. Step 3: Cross multiply
    126,315.03x = 174,314.39 × 69,726
  4. Step 4: Simplify right side
    126,315.03x = 12,154,244,808.51
  5. Step 5: Solve for x
    x = 12,154,244,808.51/126,315.03
  6. Step 6: Final answer
    x = 96,221.68

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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.