Home / 328,914.36-453,876.48-185,688.54

Finding the Fourth Proportional to 328,914.36, 453,876.48 and 185,688.54

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Solution

The fourth proportional to 328,914.36, 453,876.48 and 185,688.54 is: 256,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,914.36 : 453,876.48 = 185,688.54 : x
  2. Step 2: Convert to fraction form
    328,914.36/453,876.48 = 185,688.54/x
  3. Step 3: Cross multiply
    328,914.36x = 453,876.48 × 185,688.54
  4. Step 4: Simplify right side
    328,914.36x = 84,279,660,911.54
  5. Step 5: Solve for x
    x = 84,279,660,911.54/328,914.36
  6. Step 6: Final answer
    x = 256,235.88

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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.