Home / 170,975.40-256,463.10-168,642.60

Finding the Fourth Proportional to 170,975.40, 256,463.10 and 168,642.60

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Solution

The fourth proportional to 170,975.40, 256,463.10 and 168,642.60 is: 252,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,975.40 : 256,463.10 = 168,642.60 : x
  2. Step 2: Convert to fraction form
    170,975.40/256,463.10 = 168,642.60/x
  3. Step 3: Cross multiply
    170,975.40x = 256,463.10 × 168,642.60
  4. Step 4: Simplify right side
    170,975.40x = 43,250,603,988.06
  5. Step 5: Solve for x
    x = 43,250,603,988.06/170,975.40
  6. Step 6: Final answer
    x = 252,963.90

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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.