Home / 156,945.10-235,417.65-57,217.90

Finding the Fourth Proportional to 156,945.10, 235,417.65 and 57,217.90

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Solution

The fourth proportional to 156,945.10, 235,417.65 and 57,217.90 is: 85,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.10 : 235,417.65 = 57,217.90 : x
  2. Step 2: Convert to fraction form
    156,945.10/235,417.65 = 57,217.90/x
  3. Step 3: Cross multiply
    156,945.10x = 235,417.65 × 57,217.90
  4. Step 4: Simplify right side
    156,945.10x = 13,470,103,555.94
  5. Step 5: Solve for x
    x = 13,470,103,555.94/156,945.10
  6. Step 6: Final answer
    x = 85,826.85

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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.