Home / 156,696.38-235,137.96-56,864.36

Finding the Fourth Proportional to 156,696.38, 235,137.96 and 56,864.36

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Solution

The fourth proportional to 156,696.38, 235,137.96 and 56,864.36 is: 85,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,696.38 : 235,137.96 = 56,864.36 : x
  2. Step 2: Convert to fraction form
    156,696.38/235,137.96 = 56,864.36/x
  3. Step 3: Cross multiply
    156,696.38x = 235,137.96 × 56,864.36
  4. Step 4: Simplify right side
    156,696.38x = 13,370,969,607.11
  5. Step 5: Solve for x
    x = 13,370,969,607.11/156,696.38
  6. Step 6: Final answer
    x = 85,330.43

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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.