Home / 149,739.46-223,638.97-135,671.38

Finding the Fourth Proportional to 149,739.46, 223,638.97 and 135,671.38

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Solution

The fourth proportional to 149,739.46, 223,638.97 and 135,671.38 is: 202,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,739.46 : 223,638.97 = 135,671.38 : x
  2. Step 2: Convert to fraction form
    149,739.46/223,638.97 = 135,671.38/x
  3. Step 3: Cross multiply
    149,739.46x = 223,638.97 × 135,671.38
  4. Step 4: Simplify right side
    149,739.46x = 30,341,407,681.68
  5. Step 5: Solve for x
    x = 30,341,407,681.68/149,739.46
  6. Step 6: Final answer
    x = 202,628.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.