Home / 144,081.47-216,150.21-55,328.45

Finding the Fourth Proportional to 144,081.47, 216,150.21 and 55,328.45

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Solution

The fourth proportional to 144,081.47, 216,150.21 and 55,328.45 is: 83,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,081.47 : 216,150.21 = 55,328.45 : x
  2. Step 2: Convert to fraction form
    144,081.47/216,150.21 = 55,328.45/x
  3. Step 3: Cross multiply
    144,081.47x = 216,150.21 × 55,328.45
  4. Step 4: Simplify right side
    144,081.47x = 11,959,255,005.72
  5. Step 5: Solve for x
    x = 11,959,255,005.72/144,081.47
  6. Step 6: Final answer
    x = 83,003.42

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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.