Home / 144,453.40-216,742.13-55,769.19

Finding the Fourth Proportional to 144,453.40, 216,742.13 and 55,769.19

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Solution

The fourth proportional to 144,453.40, 216,742.13 and 55,769.19 is: 83,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,453.40 : 216,742.13 = 55,769.19 : x
  2. Step 2: Convert to fraction form
    144,453.40/216,742.13 = 55,769.19/x
  3. Step 3: Cross multiply
    144,453.40x = 216,742.13 × 55,769.19
  4. Step 4: Simplify right side
    144,453.40x = 12,087,533,028.97
  5. Step 5: Solve for x
    x = 12,087,533,028.97/144,453.40
  6. Step 6: Final answer
    x = 83,677.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.