Home / 185,640.48-256,187.16-100,757.52

Finding the Fourth Proportional to 185,640.48, 256,187.16 and 100,757.52

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Solution

The fourth proportional to 185,640.48, 256,187.16 and 100,757.52 is: 139,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,640.48 : 256,187.16 = 100,757.52 : x
  2. Step 2: Convert to fraction form
    185,640.48/256,187.16 = 100,757.52/x
  3. Step 3: Cross multiply
    185,640.48x = 256,187.16 × 100,757.52
  4. Step 4: Simplify right side
    185,640.48x = 25,812,782,897.44
  5. Step 5: Solve for x
    x = 25,812,782,897.44/185,640.48
  6. Step 6: Final answer
    x = 139,047.17

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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.