Home / 156,982.73-235,482.26-51,809.90

Finding the Fourth Proportional to 156,982.73, 235,482.26 and 51,809.90

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Solution

The fourth proportional to 156,982.73, 235,482.26 and 51,809.90 is: 77,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,982.73 : 235,482.26 = 51,809.90 : x
  2. Step 2: Convert to fraction form
    156,982.73/235,482.26 = 51,809.90/x
  3. Step 3: Cross multiply
    156,982.73x = 235,482.26 × 51,809.90
  4. Step 4: Simplify right side
    156,982.73x = 12,200,312,342.37
  5. Step 5: Solve for x
    x = 12,200,312,342.37/156,982.73
  6. Step 6: Final answer
    x = 77,717.54

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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.