Home / 156,942.20-235,339.14-57,032.72

Finding the Fourth Proportional to 156,942.20, 235,339.14 and 57,032.72

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Solution

The fourth proportional to 156,942.20, 235,339.14 and 57,032.72 is: 85,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.20 : 235,339.14 = 57,032.72 : x
  2. Step 2: Convert to fraction form
    156,942.20/235,339.14 = 57,032.72/x
  3. Step 3: Cross multiply
    156,942.20x = 235,339.14 × 57,032.72
  4. Step 4: Simplify right side
    156,942.20x = 13,422,031,276.66
  5. Step 5: Solve for x
    x = 13,422,031,276.66/156,942.20
  6. Step 6: Final answer
    x = 85,522.13

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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.