Home / 156,953.78-235,372.35-51,744.50

Finding the Fourth Proportional to 156,953.78, 235,372.35 and 51,744.50

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Solution

The fourth proportional to 156,953.78, 235,372.35 and 51,744.50 is: 77,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,953.78 : 235,372.35 = 51,744.50 : x
  2. Step 2: Convert to fraction form
    156,953.78/235,372.35 = 51,744.50/x
  3. Step 3: Cross multiply
    156,953.78x = 235,372.35 × 51,744.50
  4. Step 4: Simplify right side
    156,953.78x = 12,179,224,564.58
  5. Step 5: Solve for x
    x = 12,179,224,564.58/156,953.78
  6. Step 6: Final answer
    x = 77,597.52

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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.