Home / 171,038.45-256,557.68-168,122.45

Finding the Fourth Proportional to 171,038.45, 256,557.68 and 168,122.45

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Solution

The fourth proportional to 171,038.45, 256,557.68 and 168,122.45 is: 252,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,038.45 : 256,557.68 = 168,122.45 : x
  2. Step 2: Convert to fraction form
    171,038.45/256,557.68 = 168,122.45/x
  3. Step 3: Cross multiply
    171,038.45x = 256,557.68 × 168,122.45
  4. Step 4: Simplify right side
    171,038.45x = 43,133,105,727.92
  5. Step 5: Solve for x
    x = 43,133,105,727.92/171,038.45
  6. Step 6: Final answer
    x = 252,183.68

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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.