Home / 312,147.42-467,302.59-193,437.06

Finding the Fourth Proportional to 312,147.42, 467,302.59 and 193,437.06

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Solution

The fourth proportional to 312,147.42, 467,302.59 and 193,437.06 is: 289,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,147.42 : 467,302.59 = 193,437.06 : x
  2. Step 2: Convert to fraction form
    312,147.42/467,302.59 = 193,437.06/x
  3. Step 3: Cross multiply
    312,147.42x = 467,302.59 × 193,437.06
  4. Step 4: Simplify right side
    312,147.42x = 90,393,639,139.99
  5. Step 5: Solve for x
    x = 90,393,639,139.99/312,147.42
  6. Step 6: Final answer
    x = 289,586.37

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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.