Home / 144,997.40-200,137.56-87,627.08

Finding the Fourth Proportional to 144,997.40, 200,137.56 and 87,627.08

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Solution

The fourth proportional to 144,997.40, 200,137.56 and 87,627.08 is: 120,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,997.40 : 200,137.56 = 87,627.08 : x
  2. Step 2: Convert to fraction form
    144,997.40/200,137.56 = 87,627.08/x
  3. Step 3: Cross multiply
    144,997.40x = 200,137.56 × 87,627.08
  4. Step 4: Simplify right side
    144,997.40x = 17,537,469,981.12
  5. Step 5: Solve for x
    x = 17,537,469,981.12/144,997.40
  6. Step 6: Final answer
    x = 120,950.24

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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.