Home / 144,056.49-198,798.69-79,524.57

Finding the Fourth Proportional to 144,056.49, 198,798.69 and 79,524.57

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Solution

The fourth proportional to 144,056.49, 198,798.69 and 79,524.57 is: 109,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,056.49 : 198,798.69 = 79,524.57 : x
  2. Step 2: Convert to fraction form
    144,056.49/198,798.69 = 79,524.57/x
  3. Step 3: Cross multiply
    144,056.49x = 198,798.69 × 79,524.57
  4. Step 4: Simplify right side
    144,056.49x = 15,809,380,338.81
  5. Step 5: Solve for x
    x = 15,809,380,338.81/144,056.49
  6. Step 6: Final answer
    x = 109,744.31

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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.