Home / 170,935.60-256,403.40-169,769.20

Finding the Fourth Proportional to 170,935.60, 256,403.40 and 169,769.20

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Solution

The fourth proportional to 170,935.60, 256,403.40 and 169,769.20 is: 254,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,935.60 : 256,403.40 = 169,769.20 : x
  2. Step 2: Convert to fraction form
    170,935.60/256,403.40 = 169,769.20/x
  3. Step 3: Cross multiply
    170,935.60x = 256,403.40 × 169,769.20
  4. Step 4: Simplify right side
    170,935.60x = 43,529,400,095.28
  5. Step 5: Solve for x
    x = 43,529,400,095.28/170,935.60
  6. Step 6: Final answer
    x = 254,653.80

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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.