Home / 170,868.30-256,302.45-76,098.30

Finding the Fourth Proportional to 170,868.30, 256,302.45 and 76,098.30

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Solution

The fourth proportional to 170,868.30, 256,302.45 and 76,098.30 is: 114,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,868.30 : 256,302.45 = 76,098.30 : x
  2. Step 2: Convert to fraction form
    170,868.30/256,302.45 = 76,098.30/x
  3. Step 3: Cross multiply
    170,868.30x = 256,302.45 × 76,098.30
  4. Step 4: Simplify right side
    170,868.30x = 19,504,180,730.84
  5. Step 5: Solve for x
    x = 19,504,180,730.84/170,868.30
  6. Step 6: Final answer
    x = 114,147.45

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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.