Home / 318,057.12-438,896.34-174,826.44

Finding the Fourth Proportional to 318,057.12, 438,896.34 and 174,826.44

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Solution

The fourth proportional to 318,057.12, 438,896.34 and 174,826.44 is: 241,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,057.12 : 438,896.34 = 174,826.44 : x
  2. Step 2: Convert to fraction form
    318,057.12/438,896.34 = 174,826.44/x
  3. Step 3: Cross multiply
    318,057.12x = 438,896.34 × 174,826.44
  4. Step 4: Simplify right side
    318,057.12x = 76,730,684,651.23
  5. Step 5: Solve for x
    x = 76,730,684,651.23/318,057.12
  6. Step 6: Final answer
    x = 241,248.13

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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.