Home / 120,606.48-180,935.28-36,372.96

Finding the Fourth Proportional to 120,606.48, 180,935.28 and 36,372.96

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Solution

The fourth proportional to 120,606.48, 180,935.28 and 36,372.96 is: 54,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,606.48 : 180,935.28 = 36,372.96 : x
  2. Step 2: Convert to fraction form
    120,606.48/180,935.28 = 36,372.96/x
  3. Step 3: Cross multiply
    120,606.48x = 180,935.28 × 36,372.96
  4. Step 4: Simplify right side
    120,606.48x = 6,581,151,702.03
  5. Step 5: Solve for x
    x = 6,581,151,702.03/120,606.48
  6. Step 6: Final answer
    x = 54,567.15

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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.