Home / 170,858.17-256,288.20-112,066.21

Finding the Fourth Proportional to 170,858.17, 256,288.20 and 112,066.21

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Solution

The fourth proportional to 170,858.17, 256,288.20 and 112,066.21 is: 168,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,858.17 : 256,288.20 = 112,066.21 : x
  2. Step 2: Convert to fraction form
    170,858.17/256,288.20 = 112,066.21/x
  3. Step 3: Cross multiply
    170,858.17x = 256,288.20 × 112,066.21
  4. Step 4: Simplify right side
    170,858.17x = 28,721,247,241.72
  5. Step 5: Solve for x
    x = 28,721,247,241.72/170,858.17
  6. Step 6: Final answer
    x = 168,099.93

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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.