Home / 144,417.96-199,315.35-80,759.25

Finding the Fourth Proportional to 144,417.96, 199,315.35 and 80,759.25

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Solution

The fourth proportional to 144,417.96, 199,315.35 and 80,759.25 is: 111,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,417.96 : 199,315.35 = 80,759.25 : x
  2. Step 2: Convert to fraction form
    144,417.96/199,315.35 = 80,759.25/x
  3. Step 3: Cross multiply
    144,417.96x = 199,315.35 × 80,759.25
  4. Step 4: Simplify right side
    144,417.96x = 16,096,558,179.49
  5. Step 5: Solve for x
    x = 16,096,558,179.49/144,417.96
  6. Step 6: Final answer
    x = 111,458.15

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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.