Home / 177,885.36-245,554.83-120,603.14

Finding the Fourth Proportional to 177,885.36, 245,554.83 and 120,603.14

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Solution

The fourth proportional to 177,885.36, 245,554.83 and 120,603.14 is: 166,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,885.36 : 245,554.83 = 120,603.14 : x
  2. Step 2: Convert to fraction form
    177,885.36/245,554.83 = 120,603.14/x
  3. Step 3: Cross multiply
    177,885.36x = 245,554.83 × 120,603.14
  4. Step 4: Simplify right side
    177,885.36x = 29,614,682,312.39
  5. Step 5: Solve for x
    x = 29,614,682,312.39/177,885.36
  6. Step 6: Final answer
    x = 166,481.84

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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.