Home / 185,147.16-277,497.37-85,170.21

Finding the Fourth Proportional to 185,147.16, 277,497.37 and 85,170.21

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Solution

The fourth proportional to 185,147.16, 277,497.37 and 85,170.21 is: 127,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,147.16 : 277,497.37 = 85,170.21 : x
  2. Step 2: Convert to fraction form
    185,147.16/277,497.37 = 85,170.21/x
  3. Step 3: Cross multiply
    185,147.16x = 277,497.37 × 85,170.21
  4. Step 4: Simplify right side
    185,147.16x = 23,634,509,277.35
  5. Step 5: Solve for x
    x = 23,634,509,277.35/185,147.16
  6. Step 6: Final answer
    x = 127,652.56

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1.5x scale

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.