Home / 128,998.58-193,423.14-50,020.34

Finding the Fourth Proportional to 128,998.58, 193,423.14 and 50,020.34

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Solution

The fourth proportional to 128,998.58, 193,423.14 and 50,020.34 is: 75,001.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,998.58 : 193,423.14 = 50,020.34 : x
  2. Step 2: Convert to fraction form
    128,998.58/193,423.14 = 50,020.34/x
  3. Step 3: Cross multiply
    128,998.58x = 193,423.14 × 50,020.34
  4. Step 4: Simplify right side
    128,998.58x = 9,675,091,226.67
  5. Step 5: Solve for x
    x = 9,675,091,226.67/128,998.58
  6. Step 6: Final answer
    x = 75,001.53

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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.