Home / 144,072.16-216,129.84-50,561.44

Finding the Fourth Proportional to 144,072.16, 216,129.84 and 50,561.44

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Solution

The fourth proportional to 144,072.16, 216,129.84 and 50,561.44 is: 75,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,072.16 : 216,129.84 = 50,561.44 : x
  2. Step 2: Convert to fraction form
    144,072.16/216,129.84 = 50,561.44/x
  3. Step 3: Cross multiply
    144,072.16x = 216,129.84 × 50,561.44
  4. Step 4: Simplify right side
    144,072.16x = 10,927,835,937.37
  5. Step 5: Solve for x
    x = 10,927,835,937.37/144,072.16
  6. Step 6: Final answer
    x = 75,849.74

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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.