Home / 183,387.58-275,180.69-76,780.95

Finding the Fourth Proportional to 183,387.58, 275,180.69 and 76,780.95

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Solution

The fourth proportional to 183,387.58, 275,180.69 and 76,780.95 is: 115,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,387.58 : 275,180.69 = 76,780.95 : x
  2. Step 2: Convert to fraction form
    183,387.58/275,180.69 = 76,780.95/x
  3. Step 3: Cross multiply
    183,387.58x = 275,180.69 × 76,780.95
  4. Step 4: Simplify right side
    183,387.58x = 21,128,633,959.88
  5. Step 5: Solve for x
    x = 21,128,633,959.88/183,387.58
  6. Step 6: Final answer
    x = 115,213.01

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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.