Home / 183,719.40-275,579.10-120,733.80

Finding the Fourth Proportional to 183,719.40, 275,579.10 and 120,733.80

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Solution

The fourth proportional to 183,719.40, 275,579.10 and 120,733.80 is: 181,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,719.40 : 275,579.10 = 120,733.80 : x
  2. Step 2: Convert to fraction form
    183,719.40/275,579.10 = 120,733.80/x
  3. Step 3: Cross multiply
    183,719.40x = 275,579.10 × 120,733.80
  4. Step 4: Simplify right side
    183,719.40x = 33,271,711,943.58
  5. Step 5: Solve for x
    x = 33,271,711,943.58/183,719.40
  6. Step 6: Final answer
    x = 181,100.70

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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.