Home / 185,716.48-256,290.08-100,833.60

Finding the Fourth Proportional to 185,716.48, 256,290.08 and 100,833.60

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Solution

The fourth proportional to 185,716.48, 256,290.08 and 100,833.60 is: 139,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,716.48 : 256,290.08 = 100,833.60 : x
  2. Step 2: Convert to fraction form
    185,716.48/256,290.08 = 100,833.60/x
  3. Step 3: Cross multiply
    185,716.48x = 256,290.08 × 100,833.60
  4. Step 4: Simplify right side
    185,716.48x = 25,842,651,410.69
  5. Step 5: Solve for x
    x = 25,842,651,410.69/185,716.48
  6. Step 6: Final answer
    x = 139,151.09

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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.