Home / 146,040.45-201,537.36-81,515.85

Finding the Fourth Proportional to 146,040.45, 201,537.36 and 81,515.85

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Solution

The fourth proportional to 146,040.45, 201,537.36 and 81,515.85 is: 112,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,040.45 : 201,537.36 = 81,515.85 : x
  2. Step 2: Convert to fraction form
    146,040.45/201,537.36 = 81,515.85/x
  3. Step 3: Cross multiply
    146,040.45x = 201,537.36 × 81,515.85
  4. Step 4: Simplify right side
    146,040.45x = 16,428,489,207.16
  5. Step 5: Solve for x
    x = 16,428,489,207.16/146,040.45
  6. Step 6: Final answer
    x = 112,492.73

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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.