Home / 126,562.59-190,188.77-67,440.51

Finding the Fourth Proportional to 126,562.59, 190,188.77 and 67,440.51

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Solution

The fourth proportional to 126,562.59, 190,188.77 and 67,440.51 is: 101,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,562.59 : 190,188.77 = 67,440.51 : x
  2. Step 2: Convert to fraction form
    126,562.59/190,188.77 = 67,440.51/x
  3. Step 3: Cross multiply
    126,562.59x = 190,188.77 × 67,440.51
  4. Step 4: Simplify right side
    126,562.59x = 12,826,427,307.87
  5. Step 5: Solve for x
    x = 12,826,427,307.87/126,562.59
  6. Step 6: Final answer
    x = 101,344.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.