Home / 170,986.89-256,493.58-57,135.10

Finding the Fourth Proportional to 170,986.89, 256,493.58 and 57,135.10

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Solution

The fourth proportional to 170,986.89, 256,493.58 and 57,135.10 is: 85,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,986.89 : 256,493.58 = 57,135.10 : x
  2. Step 2: Convert to fraction form
    170,986.89/256,493.58 = 57,135.10/x
  3. Step 3: Cross multiply
    170,986.89x = 256,493.58 × 57,135.10
  4. Step 4: Simplify right side
    170,986.89x = 14,654,785,220.50
  5. Step 5: Solve for x
    x = 14,654,785,220.50/170,986.89
  6. Step 6: Final answer
    x = 85,707.07

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1.5x scale

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.