Home / 144,322.44-216,406.30-72,264.03

Finding the Fourth Proportional to 144,322.44, 216,406.30 and 72,264.03

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Solution

The fourth proportional to 144,322.44, 216,406.30 and 72,264.03 is: 108,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,322.44 : 216,406.30 = 72,264.03 : x
  2. Step 2: Convert to fraction form
    144,322.44/216,406.30 = 72,264.03/x
  3. Step 3: Cross multiply
    144,322.44x = 216,406.30 × 72,264.03
  4. Step 4: Simplify right side
    144,322.44x = 15,638,391,355.39
  5. Step 5: Solve for x
    x = 15,638,391,355.39/144,322.44
  6. Step 6: Final answer
    x = 108,357.31

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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.