Home / 156,953.14-235,356-57,042.88

Finding the Fourth Proportional to 156,953.14, 235,356 and 57,042.88

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Solution

The fourth proportional to 156,953.14, 235,356 and 57,042.88 is: 85,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,953.14 : 235,356 = 57,042.88 : x
  2. Step 2: Convert to fraction form
    156,953.14/235,356 = 57,042.88/x
  3. Step 3: Cross multiply
    156,953.14x = 235,356 × 57,042.88
  4. Step 4: Simplify right side
    156,953.14x = 13,425,384,065.28
  5. Step 5: Solve for x
    x = 13,425,384,065.28/156,953.14
  6. Step 6: Final answer
    x = 85,537.53

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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.