Home / 156,923.74-235,381.26-57,085.78

Finding the Fourth Proportional to 156,923.74, 235,381.26 and 57,085.78

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Solution

The fourth proportional to 156,923.74, 235,381.26 and 57,085.78 is: 85,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.74 : 235,381.26 = 57,085.78 : x
  2. Step 2: Convert to fraction form
    156,923.74/235,381.26 = 57,085.78/x
  3. Step 3: Cross multiply
    156,923.74x = 235,381.26 × 57,085.78
  4. Step 4: Simplify right side
    156,923.74x = 13,436,922,824.48
  5. Step 5: Solve for x
    x = 13,436,922,824.48/156,923.74
  6. Step 6: Final answer
    x = 85,627.09

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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.