Home / 240,383.04-331,738.63-138,405.96

Finding the Fourth Proportional to 240,383.04, 331,738.63 and 138,405.96

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Solution

The fourth proportional to 240,383.04, 331,738.63 and 138,405.96 is: 191,006.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,383.04 : 331,738.63 = 138,405.96 : x
  2. Step 2: Convert to fraction form
    240,383.04/331,738.63 = 138,405.96/x
  3. Step 3: Cross multiply
    240,383.04x = 331,738.63 × 138,405.96
  4. Step 4: Simplify right side
    240,383.04x = 45,914,603,554.23
  5. Step 5: Solve for x
    x = 45,914,603,554.23/240,383.04
  6. Step 6: Final answer
    x = 191,006.00

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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.