Home / 185,799.39-256,404.51-100,916.43

Finding the Fourth Proportional to 185,799.39, 256,404.51 and 100,916.43

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Solution

The fourth proportional to 185,799.39, 256,404.51 and 100,916.43 is: 139,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,799.39 : 256,404.51 = 100,916.43 : x
  2. Step 2: Convert to fraction form
    185,799.39/256,404.51 = 100,916.43/x
  3. Step 3: Cross multiply
    185,799.39x = 256,404.51 × 100,916.43
  4. Step 4: Simplify right side
    185,799.39x = 25,875,427,785.10
  5. Step 5: Solve for x
    x = 25,875,427,785.10/185,799.39
  6. Step 6: Final answer
    x = 139,265.41

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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.