Home / 233,280.99-321,826.37-142,640.73

Finding the Fourth Proportional to 233,280.99, 321,826.37 and 142,640.73

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Solution

The fourth proportional to 233,280.99, 321,826.37 and 142,640.73 is: 196,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,280.99 : 321,826.37 = 142,640.73 : x
  2. Step 2: Convert to fraction form
    233,280.99/321,826.37 = 142,640.73/x
  3. Step 3: Cross multiply
    233,280.99x = 321,826.37 × 142,640.73
  4. Step 4: Simplify right side
    233,280.99x = 45,905,547,636.85
  5. Step 5: Solve for x
    x = 45,905,547,636.85/233,280.99
  6. Step 6: Final answer
    x = 196,782.21

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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.