Home / 274,339.76-378,586.08-151,832.38

Finding the Fourth Proportional to 274,339.76, 378,586.08 and 151,832.38

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Solution

The fourth proportional to 274,339.76, 378,586.08 and 151,832.38 is: 209,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,339.76 : 378,586.08 = 151,832.38 : x
  2. Step 2: Convert to fraction form
    274,339.76/378,586.08 = 151,832.38/x
  3. Step 3: Cross multiply
    274,339.76x = 378,586.08 × 151,832.38
  4. Step 4: Simplify right side
    274,339.76x = 57,481,623,668.34
  5. Step 5: Solve for x
    x = 57,481,623,668.34/274,339.76
  6. Step 6: Final answer
    x = 209,527.13

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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.