Home / 147,291.43-203,260.32-83,625.12

Finding the Fourth Proportional to 147,291.43, 203,260.32 and 83,625.12

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Solution

The fourth proportional to 147,291.43, 203,260.32 and 83,625.12 is: 115,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,291.43 : 203,260.32 = 83,625.12 : x
  2. Step 2: Convert to fraction form
    147,291.43/203,260.32 = 83,625.12/x
  3. Step 3: Cross multiply
    147,291.43x = 203,260.32 × 83,625.12
  4. Step 4: Simplify right side
    147,291.43x = 16,997,668,651.24
  5. Step 5: Solve for x
    x = 16,997,668,651.24/147,291.43
  6. Step 6: Final answer
    x = 115,401.61

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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.