Home / 156,717.20-235,111.26-51,537.08

Finding the Fourth Proportional to 156,717.20, 235,111.26 and 51,537.08

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Solution

The fourth proportional to 156,717.20, 235,111.26 and 51,537.08 is: 77,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.20 : 235,111.26 = 51,537.08 : x
  2. Step 2: Convert to fraction form
    156,717.20/235,111.26 = 51,537.08/x
  3. Step 3: Cross multiply
    156,717.20x = 235,111.26 × 51,537.08
  4. Step 4: Simplify right side
    156,717.20x = 12,116,947,815.52
  5. Step 5: Solve for x
    x = 12,116,947,815.52/156,717.20
  6. Step 6: Final answer
    x = 77,317.28

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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.