Home / 144,612.30-199,588.86-99,253.02

Finding the Fourth Proportional to 144,612.30, 199,588.86 and 99,253.02

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Solution

The fourth proportional to 144,612.30, 199,588.86 and 99,253.02 is: 136,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,612.30 : 199,588.86 = 99,253.02 : x
  2. Step 2: Convert to fraction form
    144,612.30/199,588.86 = 99,253.02/x
  3. Step 3: Cross multiply
    144,612.30x = 199,588.86 × 99,253.02
  4. Step 4: Simplify right side
    144,612.30x = 19,809,797,113.36
  5. Step 5: Solve for x
    x = 19,809,797,113.36/144,612.30
  6. Step 6: Final answer
    x = 136,985.56

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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.