Home / 320,085.72-441,680.64-176,837.22

Finding the Fourth Proportional to 320,085.72, 441,680.64 and 176,837.22

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Solution

The fourth proportional to 320,085.72, 441,680.64 and 176,837.22 is: 244,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,085.72 : 441,680.64 = 176,837.22 : x
  2. Step 2: Convert to fraction form
    320,085.72/441,680.64 = 176,837.22/x
  3. Step 3: Cross multiply
    320,085.72x = 441,680.64 × 176,837.22
  4. Step 4: Simplify right side
    320,085.72x = 78,105,576,505.42
  5. Step 5: Solve for x
    x = 78,105,576,505.42/320,085.72
  6. Step 6: Final answer
    x = 244,014.56

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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.