Home / 156,938.20-235,333.10-57,028.76

Finding the Fourth Proportional to 156,938.20, 235,333.10 and 57,028.76

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Solution

The fourth proportional to 156,938.20, 235,333.10 and 57,028.76 is: 85,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.20 : 235,333.10 = 57,028.76 : x
  2. Step 2: Convert to fraction form
    156,938.20/235,333.10 = 57,028.76/x
  3. Step 3: Cross multiply
    156,938.20x = 235,333.10 × 57,028.76
  4. Step 4: Simplify right side
    156,938.20x = 13,420,754,879.96
  5. Step 5: Solve for x
    x = 13,420,754,879.96/156,938.20
  6. Step 6: Final answer
    x = 85,516.18

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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.