Home / 185,724.48-256,301.12-100,841.60

Finding the Fourth Proportional to 185,724.48, 256,301.12 and 100,841.60

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Solution

The fourth proportional to 185,724.48, 256,301.12 and 100,841.60 is: 139,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,724.48 : 256,301.12 = 100,841.60 : x
  2. Step 2: Convert to fraction form
    185,724.48/256,301.12 = 100,841.60/x
  3. Step 3: Cross multiply
    185,724.48x = 256,301.12 × 100,841.60
  4. Step 4: Simplify right side
    185,724.48x = 25,845,815,022.59
  5. Step 5: Solve for x
    x = 25,845,815,022.59/185,724.48
  6. Step 6: Final answer
    x = 139,162.13

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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.