Home / 156,974.78-235,319.75-57,064.41

Finding the Fourth Proportional to 156,974.78, 235,319.75 and 57,064.41

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Solution

The fourth proportional to 156,974.78, 235,319.75 and 57,064.41 is: 85,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.78 : 235,319.75 = 57,064.41 : x
  2. Step 2: Convert to fraction form
    156,974.78/235,319.75 = 57,064.41/x
  3. Step 3: Cross multiply
    156,974.78x = 235,319.75 × 57,064.41
  4. Step 4: Simplify right side
    156,974.78x = 13,428,382,409.78
  5. Step 5: Solve for x
    x = 13,428,382,409.78/156,974.78
  6. Step 6: Final answer
    x = 85,544.84

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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.