Home / 156,954.70-235,357.85-57,045.26

Finding the Fourth Proportional to 156,954.70, 235,357.85 and 57,045.26

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Solution

The fourth proportional to 156,954.70, 235,357.85 and 57,045.26 is: 85,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.70 : 235,357.85 = 57,045.26 : x
  2. Step 2: Convert to fraction form
    156,954.70/235,357.85 = 57,045.26/x
  3. Step 3: Cross multiply
    156,954.70x = 235,357.85 × 57,045.26
  4. Step 4: Simplify right side
    156,954.70x = 13,426,049,746.29
  5. Step 5: Solve for x
    x = 13,426,049,746.29/156,954.70
  6. Step 6: Final answer
    x = 85,540.92

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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.