Home / 144,581.12-199,388.60-99,179.00

Finding the Fourth Proportional to 144,581.12, 199,388.60 and 99,179.00

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Solution

The fourth proportional to 144,581.12, 199,388.60 and 99,179.00 is: 136,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581.12 : 199,388.60 = 99,179.00 : x
  2. Step 2: Convert to fraction form
    144,581.12/199,388.60 = 99,179.00/x
  3. Step 3: Cross multiply
    144,581.12x = 199,388.60 × 99,179.00
  4. Step 4: Simplify right side
    144,581.12x = 19,775,161,586.19
  5. Step 5: Solve for x
    x = 19,775,161,586.19/144,581.12
  6. Step 6: Final answer
    x = 136,775.55

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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.