Home / 252,328.10-348,212.68-139,150.85

Finding the Fourth Proportional to 252,328.10, 348,212.68 and 139,150.85

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Solution

The fourth proportional to 252,328.10, 348,212.68 and 139,150.85 is: 192,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,328.10 : 348,212.68 = 139,150.85 : x
  2. Step 2: Convert to fraction form
    252,328.10/348,212.68 = 139,150.85/x
  3. Step 3: Cross multiply
    252,328.10x = 348,212.68 × 139,150.85
  4. Step 4: Simplify right side
    252,328.10x = 48,454,088,313.84
  5. Step 5: Solve for x
    x = 48,454,088,313.84/252,328.10
  6. Step 6: Final answer
    x = 192,028.11

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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.