Home / 252,401.74-348,298.59-139,224.22

Finding the Fourth Proportional to 252,401.74, 348,298.59 and 139,224.22

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Solution

The fourth proportional to 252,401.74, 348,298.59 and 139,224.22 is: 192,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,401.74 : 348,298.59 = 139,224.22 : x
  2. Step 2: Convert to fraction form
    252,401.74/348,298.59 = 139,224.22/x
  3. Step 3: Cross multiply
    252,401.74x = 348,298.59 × 139,224.22
  4. Step 4: Simplify right side
    252,401.74x = 48,491,599,519.85
  5. Step 5: Solve for x
    x = 48,491,599,519.85/252,401.74
  6. Step 6: Final answer
    x = 192,120.70

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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.