Home / 156,913.40-235,398.30-57,213.46

Finding the Fourth Proportional to 156,913.40, 235,398.30 and 57,213.46

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Solution

The fourth proportional to 156,913.40, 235,398.30 and 57,213.46 is: 85,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.40 : 235,398.30 = 57,213.46 : x
  2. Step 2: Convert to fraction form
    156,913.40/235,398.30 = 57,213.46/x
  3. Step 3: Cross multiply
    156,913.40x = 235,398.30 × 57,213.46
  4. Step 4: Simplify right side
    156,913.40x = 13,467,951,221.12
  5. Step 5: Solve for x
    x = 13,467,951,221.12/156,913.40
  6. Step 6: Final answer
    x = 85,830.47

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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.