Home / 144,400.28-216,637.32-55,629.98

Finding the Fourth Proportional to 144,400.28, 216,637.32 and 55,629.98

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Solution

The fourth proportional to 144,400.28, 216,637.32 and 55,629.98 is: 83,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,400.28 : 216,637.32 = 55,629.98 : x
  2. Step 2: Convert to fraction form
    144,400.28/216,637.32 = 55,629.98/x
  3. Step 3: Cross multiply
    144,400.28x = 216,637.32 × 55,629.98
  4. Step 4: Simplify right side
    144,400.28x = 12,051,529,778.85
  5. Step 5: Solve for x
    x = 12,051,529,778.85/144,400.28
  6. Step 6: Final answer
    x = 83,459.19

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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.