Home / 180,330.69-248,860.77-99,759.75

Finding the Fourth Proportional to 180,330.69, 248,860.77 and 99,759.75

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Solution

The fourth proportional to 180,330.69, 248,860.77 and 99,759.75 is: 137,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,330.69 : 248,860.77 = 99,759.75 : x
  2. Step 2: Convert to fraction form
    180,330.69/248,860.77 = 99,759.75/x
  3. Step 3: Cross multiply
    180,330.69x = 248,860.77 × 99,759.75
  4. Step 4: Simplify right side
    180,330.69x = 24,826,288,200.01
  5. Step 5: Solve for x
    x = 24,826,288,200.01/180,330.69
  6. Step 6: Final answer
    x = 137,670.90

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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.