Home / 170,829.70-256,475.40-99,825.10

Finding the Fourth Proportional to 170,829.70, 256,475.40 and 99,825.10

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Solution

The fourth proportional to 170,829.70, 256,475.40 and 99,825.10 is: 149,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829.70 : 256,475.40 = 99,825.10 : x
  2. Step 2: Convert to fraction form
    170,829.70/256,475.40 = 99,825.10/x
  3. Step 3: Cross multiply
    170,829.70x = 256,475.40 × 99,825.10
  4. Step 4: Simplify right side
    170,829.70x = 25,602,682,452.54
  5. Step 5: Solve for x
    x = 25,602,682,452.54/170,829.70
  6. Step 6: Final answer
    x = 149,872.55

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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.