Home / 170,837.40-256,256.10-108,629.40

Finding the Fourth Proportional to 170,837.40, 256,256.10 and 108,629.40

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Solution

The fourth proportional to 170,837.40, 256,256.10 and 108,629.40 is: 162,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,837.40 : 256,256.10 = 108,629.40 : x
  2. Step 2: Convert to fraction form
    170,837.40/256,256.10 = 108,629.40/x
  3. Step 3: Cross multiply
    170,837.40x = 256,256.10 × 108,629.40
  4. Step 4: Simplify right side
    170,837.40x = 27,836,946,389.34
  5. Step 5: Solve for x
    x = 27,836,946,389.34/170,837.40
  6. Step 6: Final answer
    x = 162,944.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.