Home / 328,868.10-453,851.10-185,619.60

Finding the Fourth Proportional to 328,868.10, 453,851.10 and 185,619.60

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Solution

The fourth proportional to 328,868.10, 453,851.10 and 185,619.60 is: 256,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,868.10 : 453,851.10 = 185,619.60 : x
  2. Step 2: Convert to fraction form
    328,868.10/453,851.10 = 185,619.60/x
  3. Step 3: Cross multiply
    328,868.10x = 453,851.10 × 185,619.60
  4. Step 4: Simplify right side
    328,868.10x = 84,243,659,641.56
  5. Step 5: Solve for x
    x = 84,243,659,641.56/328,868.10
  6. Step 6: Final answer
    x = 256,162.45

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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.