Home / 145,947.93-201,408.39-82,285.56

Finding the Fourth Proportional to 145,947.93, 201,408.39 and 82,285.56

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Solution

The fourth proportional to 145,947.93, 201,408.39 and 82,285.56 is: 113,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,947.93 : 201,408.39 = 82,285.56 : x
  2. Step 2: Convert to fraction form
    145,947.93/201,408.39 = 82,285.56/x
  3. Step 3: Cross multiply
    145,947.93x = 201,408.39 × 82,285.56
  4. Step 4: Simplify right side
    145,947.93x = 16,573,002,159.85
  5. Step 5: Solve for x
    x = 16,573,002,159.85/145,947.93
  6. Step 6: Final answer
    x = 113,554.21

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1.5x scale

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.