Home / 252,530.70-348,491.94-139,353.36

Finding the Fourth Proportional to 252,530.70, 348,491.94 and 139,353.36

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Solution

The fourth proportional to 252,530.70, 348,491.94 and 139,353.36 is: 192,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,530.70 : 348,491.94 = 139,353.36 : x
  2. Step 2: Convert to fraction form
    252,530.70/348,491.94 = 139,353.36/x
  3. Step 3: Cross multiply
    252,530.70x = 348,491.94 × 139,353.36
  4. Step 4: Simplify right side
    252,530.70x = 48,563,522,771.92
  5. Step 5: Solve for x
    x = 48,563,522,771.92/252,530.70
  6. Step 6: Final answer
    x = 192,307.40

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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.