Home / 137,819.64-190,091.70-126,525

Finding the Fourth Proportional to 137,819.64, 190,091.70 and 126,525

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Solution

The fourth proportional to 137,819.64, 190,091.70 and 126,525 is: 174,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,819.64 : 190,091.70 = 126,525 : x
  2. Step 2: Convert to fraction form
    137,819.64/190,091.70 = 126,525/x
  3. Step 3: Cross multiply
    137,819.64x = 190,091.70 × 126,525
  4. Step 4: Simplify right side
    137,819.64x = 24,051,352,342.50
  5. Step 5: Solve for x
    x = 24,051,352,342.50/137,819.64
  6. Step 6: Final answer
    x = 174,513.24

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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.