Home / 203,330.14-305,035.98-70,215.28

Finding the Fourth Proportional to 203,330.14, 305,035.98 and 70,215.28

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Solution

The fourth proportional to 203,330.14, 305,035.98 and 70,215.28 is: 105,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,330.14 : 305,035.98 = 70,215.28 : x
  2. Step 2: Convert to fraction form
    203,330.14/305,035.98 = 70,215.28/x
  3. Step 3: Cross multiply
    203,330.14x = 305,035.98 × 70,215.28
  4. Step 4: Simplify right side
    203,330.14x = 21,418,186,745.77
  5. Step 5: Solve for x
    x = 21,418,186,745.77/203,330.14
  6. Step 6: Final answer
    x = 105,337.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.