Home / 186,203.97-256,916.70-109,726.20

Finding the Fourth Proportional to 186,203.97, 256,916.70 and 109,726.20

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Solution

The fourth proportional to 186,203.97, 256,916.70 and 109,726.20 is: 151,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,203.97 : 256,916.70 = 109,726.20 : x
  2. Step 2: Convert to fraction form
    186,203.97/256,916.70 = 109,726.20/x
  3. Step 3: Cross multiply
    186,203.97x = 256,916.70 × 109,726.20
  4. Step 4: Simplify right side
    186,203.97x = 28,190,493,207.54
  5. Step 5: Solve for x
    x = 28,190,493,207.54/186,203.97
  6. Step 6: Final answer
    x = 151,395.77

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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.