Home / 445,148.10-614,517.12-254,124.54

Finding the Fourth Proportional to 445,148.10, 614,517.12 and 254,124.54

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Solution

The fourth proportional to 445,148.10, 614,517.12 and 254,124.54 is: 350,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,148.10 : 614,517.12 = 254,124.54 : x
  2. Step 2: Convert to fraction form
    445,148.10/614,517.12 = 254,124.54/x
  3. Step 3: Cross multiply
    445,148.10x = 614,517.12 × 254,124.54
  4. Step 4: Simplify right side
    445,148.10x = 156,163,880,442.13
  5. Step 5: Solve for x
    x = 156,163,880,442.13/445,148.10
  6. Step 6: Final answer
    x = 350,813.31

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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.