Home / 156,783.70-235,175.55-51,577.30

Finding the Fourth Proportional to 156,783.70, 235,175.55 and 51,577.30

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Solution

The fourth proportional to 156,783.70, 235,175.55 and 51,577.30 is: 77,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,783.70 : 235,175.55 = 51,577.30 : x
  2. Step 2: Convert to fraction form
    156,783.70/235,175.55 = 51,577.30/x
  3. Step 3: Cross multiply
    156,783.70x = 235,175.55 × 51,577.30
  4. Step 4: Simplify right side
    156,783.70x = 12,129,719,895.02
  5. Step 5: Solve for x
    x = 12,129,719,895.02/156,783.70
  6. Step 6: Final answer
    x = 77,365.95

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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.