Home / 312,005.05-467,089.02-193,294.69

Finding the Fourth Proportional to 312,005.05, 467,089.02 and 193,294.69

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Solution

The fourth proportional to 312,005.05, 467,089.02 and 193,294.69 is: 289,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,005.05 : 467,089.02 = 193,294.69 : x
  2. Step 2: Convert to fraction form
    312,005.05/467,089.02 = 193,294.69/x
  3. Step 3: Cross multiply
    312,005.05x = 467,089.02 × 193,294.69
  4. Step 4: Simplify right side
    312,005.05x = 90,285,827,323.30
  5. Step 5: Solve for x
    x = 90,285,827,323.30/312,005.05
  6. Step 6: Final answer
    x = 289,372.97

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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.