Home / 126,822.51-190,219.19-42,579.27

Finding the Fourth Proportional to 126,822.51, 190,219.19 and 42,579.27

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Solution

The fourth proportional to 126,822.51, 190,219.19 and 42,579.27 is: 63,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,822.51 : 190,219.19 = 42,579.27 : x
  2. Step 2: Convert to fraction form
    126,822.51/190,219.19 = 42,579.27/x
  3. Step 3: Cross multiply
    126,822.51x = 190,219.19 × 42,579.27
  4. Step 4: Simplify right side
    126,822.51x = 8,099,394,037.29
  5. Step 5: Solve for x
    x = 8,099,394,037.29/126,822.51
  6. Step 6: Final answer
    x = 63,864.01

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1.5x scale

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.