Home / 126,462.02-189,636.86-67,285.22

Finding the Fourth Proportional to 126,462.02, 189,636.86 and 67,285.22

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Solution

The fourth proportional to 126,462.02, 189,636.86 and 67,285.22 is: 100,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,462.02 : 189,636.86 = 67,285.22 : x
  2. Step 2: Convert to fraction form
    126,462.02/189,636.86 = 67,285.22/x
  3. Step 3: Cross multiply
    126,462.02x = 189,636.86 × 67,285.22
  4. Step 4: Simplify right side
    126,462.02x = 12,759,757,065.24
  5. Step 5: Solve for x
    x = 12,759,757,065.24/126,462.02
  6. Step 6: Final answer
    x = 100,897.94

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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.