Home / 121,825.60-182,835.84-117,937.60

Finding the Fourth Proportional to 121,825.60, 182,835.84 and 117,937.60

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Solution

The fourth proportional to 121,825.60, 182,835.84 and 117,937.60 is: 177,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,825.60 : 182,835.84 = 117,937.60 : x
  2. Step 2: Convert to fraction form
    121,825.60/182,835.84 = 117,937.60/x
  3. Step 3: Cross multiply
    121,825.60x = 182,835.84 × 117,937.60
  4. Step 4: Simplify right side
    121,825.60x = 21,563,220,163.58
  5. Step 5: Solve for x
    x = 21,563,220,163.58/121,825.60
  6. Step 6: Final answer
    x = 177,000.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.