Home / 135,518.10-203,309.45-46,772.38

Finding the Fourth Proportional to 135,518.10, 203,309.45 and 46,772.38

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Solution

The fourth proportional to 135,518.10, 203,309.45 and 46,772.38 is: 70,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,518.10 : 203,309.45 = 46,772.38 : x
  2. Step 2: Convert to fraction form
    135,518.10/203,309.45 = 46,772.38/x
  3. Step 3: Cross multiply
    135,518.10x = 203,309.45 × 46,772.38
  4. Step 4: Simplify right side
    135,518.10x = 9,509,266,852.99
  5. Step 5: Solve for x
    x = 9,509,266,852.99/135,518.10
  6. Step 6: Final answer
    x = 70,169.72

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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.