Home / 185,693.95-256,318.63-109,209.70

Finding the Fourth Proportional to 185,693.95, 256,318.63 and 109,209.70

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Solution

The fourth proportional to 185,693.95, 256,318.63 and 109,209.70 is: 150,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,693.95 : 256,318.63 = 109,209.70 : x
  2. Step 2: Convert to fraction form
    185,693.95/256,318.63 = 109,209.70/x
  3. Step 3: Cross multiply
    185,693.95x = 256,318.63 × 109,209.70
  4. Step 4: Simplify right side
    185,693.95x = 27,992,480,734.09
  5. Step 5: Solve for x
    x = 27,992,480,734.09/185,693.95
  6. Step 6: Final answer
    x = 150,745.25

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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.