Home / 156,905.45-235,458.41-57,056.14

Finding the Fourth Proportional to 156,905.45, 235,458.41 and 57,056.14

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Solution

The fourth proportional to 156,905.45, 235,458.41 and 57,056.14 is: 85,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.45 : 235,458.41 = 57,056.14 : x
  2. Step 2: Convert to fraction form
    156,905.45/235,458.41 = 57,056.14/x
  3. Step 3: Cross multiply
    156,905.45x = 235,458.41 × 57,056.14
  4. Step 4: Simplify right side
    156,905.45x = 13,434,347,131.21
  5. Step 5: Solve for x
    x = 13,434,347,131.21/156,905.45
  6. Step 6: Final answer
    x = 85,620.66

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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.