Home / 144,435.88-199,330.74-80,774.13

Finding the Fourth Proportional to 144,435.88, 199,330.74 and 80,774.13

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Solution

The fourth proportional to 144,435.88, 199,330.74 and 80,774.13 is: 111,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,435.88 : 199,330.74 = 80,774.13 : x
  2. Step 2: Convert to fraction form
    144,435.88/199,330.74 = 80,774.13/x
  3. Step 3: Cross multiply
    144,435.88x = 199,330.74 × 80,774.13
  4. Step 4: Simplify right side
    144,435.88x = 16,100,767,105.76
  5. Step 5: Solve for x
    x = 16,100,767,105.76/144,435.88
  6. Step 6: Final answer
    x = 111,473.46

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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.