Home / 185,760.45-256,344.21-105,195.60

Finding the Fourth Proportional to 185,760.45, 256,344.21 and 105,195.60

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Solution

The fourth proportional to 185,760.45, 256,344.21 and 105,195.60 is: 145,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,760.45 : 256,344.21 = 105,195.60 : x
  2. Step 2: Convert to fraction form
    185,760.45/256,344.21 = 105,195.60/x
  3. Step 3: Cross multiply
    185,760.45x = 256,344.21 × 105,195.60
  4. Step 4: Simplify right side
    185,760.45x = 26,966,282,977.48
  5. Step 5: Solve for x
    x = 26,966,282,977.48/185,760.45
  6. Step 6: Final answer
    x = 145,166.98

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1.5x scale

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.