Home / 233,307.20-321,970.02-131,336.40

Finding the Fourth Proportional to 233,307.20, 321,970.02 and 131,336.40

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Solution

The fourth proportional to 233,307.20, 321,970.02 and 131,336.40 is: 181,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,307.20 : 321,970.02 = 131,336.40 : x
  2. Step 2: Convert to fraction form
    233,307.20/321,970.02 = 131,336.40/x
  3. Step 3: Cross multiply
    233,307.20x = 321,970.02 × 131,336.40
  4. Step 4: Simplify right side
    233,307.20x = 42,286,383,334.73
  5. Step 5: Solve for x
    x = 42,286,383,334.73/233,307.20
  6. Step 6: Final answer
    x = 181,247.66

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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.