Home / 144,724.34-199,609.88-126,788.24

Finding the Fourth Proportional to 144,724.34, 199,609.88 and 126,788.24

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Solution

The fourth proportional to 144,724.34, 199,609.88 and 126,788.24 is: 174,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,724.34 : 199,609.88 = 126,788.24 : x
  2. Step 2: Convert to fraction form
    144,724.34/199,609.88 = 126,788.24/x
  3. Step 3: Cross multiply
    144,724.34x = 199,609.88 × 126,788.24
  4. Step 4: Simplify right side
    144,724.34x = 25,308,185,371.81
  5. Step 5: Solve for x
    x = 25,308,185,371.81/144,724.34
  6. Step 6: Final answer
    x = 174,871.66

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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.