Home / 328,765.20-453,688.20-185,531.28

Finding the Fourth Proportional to 328,765.20, 453,688.20 and 185,531.28

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Solution

The fourth proportional to 328,765.20, 453,688.20 and 185,531.28 is: 256,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,765.20 : 453,688.20 = 185,531.28 : x
  2. Step 2: Convert to fraction form
    328,765.20/453,688.20 = 185,531.28/x
  3. Step 3: Cross multiply
    328,765.20x = 453,688.20 × 185,531.28
  4. Step 4: Simplify right side
    328,765.20x = 84,173,352,466.90
  5. Step 5: Solve for x
    x = 84,173,352,466.90/328,765.20
  6. Step 6: Final answer
    x = 256,028.78

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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.