Home / 225,261.06-310,861.14-144,689.28

Finding the Fourth Proportional to 225,261.06, 310,861.14 and 144,689.28

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Solution

The fourth proportional to 225,261.06, 310,861.14 and 144,689.28 is: 199,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,261.06 : 310,861.14 = 144,689.28 : x
  2. Step 2: Convert to fraction form
    225,261.06/310,861.14 = 144,689.28/x
  3. Step 3: Cross multiply
    225,261.06x = 310,861.14 × 144,689.28
  4. Step 4: Simplify right side
    225,261.06x = 44,978,274,526.58
  5. Step 5: Solve for x
    x = 44,978,274,526.58/225,261.06
  6. Step 6: Final answer
    x = 199,671.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.