Home / 170,738.64-256,156.56-58,433.76

Finding the Fourth Proportional to 170,738.64, 256,156.56 and 58,433.76

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Solution

The fourth proportional to 170,738.64, 256,156.56 and 58,433.76 is: 87,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,738.64 : 256,156.56 = 58,433.76 : x
  2. Step 2: Convert to fraction form
    170,738.64/256,156.56 = 58,433.76/x
  3. Step 3: Cross multiply
    170,738.64x = 256,156.56 × 58,433.76
  4. Step 4: Simplify right side
    170,738.64x = 14,968,190,949.47
  5. Step 5: Solve for x
    x = 14,968,190,949.47/170,738.64
  6. Step 6: Final answer
    x = 87,667.27

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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.