Home / 126,455.73-189,520.07-94,615.98

Finding the Fourth Proportional to 126,455.73, 189,520.07 and 94,615.98

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Solution

The fourth proportional to 126,455.73, 189,520.07 and 94,615.98 is: 141,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,455.73 : 189,520.07 = 94,615.98 : x
  2. Step 2: Convert to fraction form
    126,455.73/189,520.07 = 94,615.98/x
  3. Step 3: Cross multiply
    126,455.73x = 189,520.07 × 94,615.98
  4. Step 4: Simplify right side
    126,455.73x = 17,931,626,679.64
  5. Step 5: Solve for x
    x = 17,931,626,679.64/126,455.73
  6. Step 6: Final answer
    x = 141,801.61

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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.