Home / 185,738.48-256,320.15-100,855.57

Finding the Fourth Proportional to 185,738.48, 256,320.15 and 100,855.57

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Solution

The fourth proportional to 185,738.48, 256,320.15 and 100,855.57 is: 139,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,738.48 : 256,320.15 = 100,855.57 : x
  2. Step 2: Convert to fraction form
    185,738.48/256,320.15 = 100,855.57/x
  3. Step 3: Cross multiply
    185,738.48x = 256,320.15 × 100,855.57
  4. Step 4: Simplify right side
    185,738.48x = 25,851,313,549.13
  5. Step 5: Solve for x
    x = 25,851,313,549.13/185,738.48
  6. Step 6: Final answer
    x = 139,181.25

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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.