Home / 126,838.22-175,038.03-76,527.50

Finding the Fourth Proportional to 126,838.22, 175,038.03 and 76,527.50

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Solution

The fourth proportional to 126,838.22, 175,038.03 and 76,527.50 is: 105,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,838.22 : 175,038.03 = 76,527.50 : x
  2. Step 2: Convert to fraction form
    126,838.22/175,038.03 = 76,527.50/x
  3. Step 3: Cross multiply
    126,838.22x = 175,038.03 × 76,527.50
  4. Step 4: Simplify right side
    126,838.22x = 13,395,222,840.83
  5. Step 5: Solve for x
    x = 13,395,222,840.83/126,838.22
  6. Step 6: Final answer
    x = 105,608.73

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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.