Home / 252,337.75-348,201.89-139,153.21

Finding the Fourth Proportional to 252,337.75, 348,201.89 and 139,153.21

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Solution

The fourth proportional to 252,337.75, 348,201.89 and 139,153.21 is: 192,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,337.75 : 348,201.89 = 139,153.21 : x
  2. Step 2: Convert to fraction form
    252,337.75/348,201.89 = 139,153.21/x
  3. Step 3: Cross multiply
    252,337.75x = 348,201.89 × 139,153.21
  4. Step 4: Simplify right side
    252,337.75x = 48,453,409,677.12
  5. Step 5: Solve for x
    x = 48,453,409,677.12/252,337.75
  6. Step 6: Final answer
    x = 192,018.08

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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.