Home / 144,565.56-199,499.05-80,903.81

Finding the Fourth Proportional to 144,565.56, 199,499.05 and 80,903.81

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Solution

The fourth proportional to 144,565.56, 199,499.05 and 80,903.81 is: 111,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,565.56 : 199,499.05 = 80,903.81 : x
  2. Step 2: Convert to fraction form
    144,565.56/199,499.05 = 80,903.81/x
  3. Step 3: Cross multiply
    144,565.56x = 199,499.05 × 80,903.81
  4. Step 4: Simplify right side
    144,565.56x = 16,140,233,836.26
  5. Step 5: Solve for x
    x = 16,140,233,836.26/144,565.56
  6. Step 6: Final answer
    x = 111,646.47

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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.