Home / 156,940.70-235,336.85-57,031.26

Finding the Fourth Proportional to 156,940.70, 235,336.85 and 57,031.26

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Solution

The fourth proportional to 156,940.70, 235,336.85 and 57,031.26 is: 85,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.70 : 235,336.85 = 57,031.26 : x
  2. Step 2: Convert to fraction form
    156,940.70/235,336.85 = 57,031.26/x
  3. Step 3: Cross multiply
    156,940.70x = 235,336.85 × 57,031.26
  4. Step 4: Simplify right side
    156,940.70x = 13,421,557,079.93
  5. Step 5: Solve for x
    x = 13,421,557,079.93/156,940.70
  6. Step 6: Final answer
    x = 85,519.93

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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.