Home / 170,856.57-256,240.47-50,885.43

Finding the Fourth Proportional to 170,856.57, 256,240.47 and 50,885.43

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Solution

The fourth proportional to 170,856.57, 256,240.47 and 50,885.43 is: 76,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,856.57 : 256,240.47 = 50,885.43 : x
  2. Step 2: Convert to fraction form
    170,856.57/256,240.47 = 50,885.43/x
  3. Step 3: Cross multiply
    170,856.57x = 256,240.47 × 50,885.43
  4. Step 4: Simplify right side
    170,856.57x = 13,038,906,499.35
  5. Step 5: Solve for x
    x = 13,038,906,499.35/170,856.57
  6. Step 6: Final answer
    x = 76,314.93

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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.