Home / 145,896.33-201,338.47-82,234.13

Finding the Fourth Proportional to 145,896.33, 201,338.47 and 82,234.13

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Solution

The fourth proportional to 145,896.33, 201,338.47 and 82,234.13 is: 113,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,896.33 : 201,338.47 = 82,234.13 : x
  2. Step 2: Convert to fraction form
    145,896.33/201,338.47 = 82,234.13/x
  3. Step 3: Cross multiply
    145,896.33x = 201,338.47 × 82,234.13
  4. Step 4: Simplify right side
    145,896.33x = 16,556,893,915.98
  5. Step 5: Solve for x
    x = 16,556,893,915.98/145,896.33
  6. Step 6: Final answer
    x = 113,483.96

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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.