Home / 107,555.60-160,996.38-69,554.42

Finding the Fourth Proportional to 107,555.60, 160,996.38 and 69,554.42

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Solution

The fourth proportional to 107,555.60, 160,996.38 and 69,554.42 is: 104,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,555.60 : 160,996.38 = 69,554.42 : x
  2. Step 2: Convert to fraction form
    107,555.60/160,996.38 = 69,554.42/x
  3. Step 3: Cross multiply
    107,555.60x = 160,996.38 × 69,554.42
  4. Step 4: Simplify right side
    107,555.60x = 11,198,009,833.00
  5. Step 5: Solve for x
    x = 11,198,009,833.00/107,555.60
  6. Step 6: Final answer
    x = 104,113.68

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1.5x scale

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.