Home / 185,799.68-256,405.44-100,918.40

Finding the Fourth Proportional to 185,799.68, 256,405.44 and 100,918.40

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Solution

The fourth proportional to 185,799.68, 256,405.44 and 100,918.40 is: 139,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,799.68 : 256,405.44 = 100,918.40 : x
  2. Step 2: Convert to fraction form
    185,799.68/256,405.44 = 100,918.40/x
  3. Step 3: Cross multiply
    185,799.68x = 256,405.44 × 100,918.40
  4. Step 4: Simplify right side
    185,799.68x = 25,876,026,756.10
  5. Step 5: Solve for x
    x = 25,876,026,756.10/185,799.68
  6. Step 6: Final answer
    x = 139,268.41

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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.