Home / 147,205.17-220,813.39-46,012.54

Finding the Fourth Proportional to 147,205.17, 220,813.39 and 46,012.54

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Solution

The fourth proportional to 147,205.17, 220,813.39 and 46,012.54 is: 69,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,205.17 : 220,813.39 = 46,012.54 : x
  2. Step 2: Convert to fraction form
    147,205.17/220,813.39 = 46,012.54/x
  3. Step 3: Cross multiply
    147,205.17x = 220,813.39 × 46,012.54
  4. Step 4: Simplify right side
    147,205.17x = 10,160,184,939.91
  5. Step 5: Solve for x
    x = 10,160,184,939.91/147,205.17
  6. Step 6: Final answer
    x = 69,020.57

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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.