Home / 185,554.87-256,050.12-109,076.40

Finding the Fourth Proportional to 185,554.87, 256,050.12 and 109,076.40

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Solution

The fourth proportional to 185,554.87, 256,050.12 and 109,076.40 is: 150,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,554.87 : 256,050.12 = 109,076.40 : x
  2. Step 2: Convert to fraction form
    185,554.87/256,050.12 = 109,076.40/x
  3. Step 3: Cross multiply
    185,554.87x = 256,050.12 × 109,076.40
  4. Step 4: Simplify right side
    185,554.87x = 27,929,025,309.17
  5. Step 5: Solve for x
    x = 27,929,025,309.17/185,554.87
  6. Step 6: Final answer
    x = 150,516.26

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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.