Home / 156,939.64-235,335.72-57,029.38

Finding the Fourth Proportional to 156,939.64, 235,335.72 and 57,029.38

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Solution

The fourth proportional to 156,939.64, 235,335.72 and 57,029.38 is: 85,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.64 : 235,335.72 = 57,029.38 : x
  2. Step 2: Convert to fraction form
    156,939.64/235,335.72 = 57,029.38/x
  3. Step 3: Cross multiply
    156,939.64x = 235,335.72 × 57,029.38
  4. Step 4: Simplify right side
    156,939.64x = 13,421,050,203.45
  5. Step 5: Solve for x
    x = 13,421,050,203.45/156,939.64
  6. Step 6: Final answer
    x = 85,517.27

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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.