Home / 156,903.39-235,383.30-57,203.46

Finding the Fourth Proportional to 156,903.39, 235,383.30 and 57,203.46

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Solution

The fourth proportional to 156,903.39, 235,383.30 and 57,203.46 is: 85,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,903.39 : 235,383.30 = 57,203.46 : x
  2. Step 2: Convert to fraction form
    156,903.39/235,383.30 = 57,203.46/x
  3. Step 3: Cross multiply
    156,903.39x = 235,383.30 × 57,203.46
  4. Step 4: Simplify right side
    156,903.39x = 13,464,739,186.22
  5. Step 5: Solve for x
    x = 13,464,739,186.22/156,903.39
  6. Step 6: Final answer
    x = 85,815.48

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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.