Home / 170,933.70-256,631.40-99,929.10

Finding the Fourth Proportional to 170,933.70, 256,631.40 and 99,929.10

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Solution

The fourth proportional to 170,933.70, 256,631.40 and 99,929.10 is: 150,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,933.70 : 256,631.40 = 99,929.10 : x
  2. Step 2: Convert to fraction form
    170,933.70/256,631.40 = 99,929.10/x
  3. Step 3: Cross multiply
    170,933.70x = 256,631.40 × 99,929.10
  4. Step 4: Simplify right side
    170,933.70x = 25,644,944,833.74
  5. Step 5: Solve for x
    x = 25,644,944,833.74/170,933.70
  6. Step 6: Final answer
    x = 150,028.61

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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.