Home / 126,432.07-174,479.68-75,474.37

Finding the Fourth Proportional to 126,432.07, 174,479.68 and 75,474.37

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Solution

The fourth proportional to 126,432.07, 174,479.68 and 75,474.37 is: 104,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,432.07 : 174,479.68 = 75,474.37 : x
  2. Step 2: Convert to fraction form
    126,432.07/174,479.68 = 75,474.37/x
  3. Step 3: Cross multiply
    126,432.07x = 174,479.68 × 75,474.37
  4. Step 4: Simplify right side
    126,432.07x = 13,168,744,490.59
  5. Step 5: Solve for x
    x = 13,168,744,490.59/126,432.07
  6. Step 6: Final answer
    x = 104,156.68

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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.