Home / 185,640.44-256,184.06-100,757.51

Finding the Fourth Proportional to 185,640.44, 256,184.06 and 100,757.51

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Solution

The fourth proportional to 185,640.44, 256,184.06 and 100,757.51 is: 139,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,640.44 : 256,184.06 = 100,757.51 : x
  2. Step 2: Convert to fraction form
    185,640.44/256,184.06 = 100,757.51/x
  3. Step 3: Cross multiply
    185,640.44x = 256,184.06 × 100,757.51
  4. Step 4: Simplify right side
    185,640.44x = 25,812,467,987.29
  5. Step 5: Solve for x
    x = 25,812,467,987.29/185,640.44
  6. Step 6: Final answer
    x = 139,045.50

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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.