Home / 120,564.36-180,876.51-36,322.62

Finding the Fourth Proportional to 120,564.36, 180,876.51 and 36,322.62

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Solution

The fourth proportional to 120,564.36, 180,876.51 and 36,322.62 is: 54,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,564.36 : 180,876.51 = 36,322.62 : x
  2. Step 2: Convert to fraction form
    120,564.36/180,876.51 = 36,322.62/x
  3. Step 3: Cross multiply
    120,564.36x = 180,876.51 × 36,322.62
  4. Step 4: Simplify right side
    120,564.36x = 6,569,908,739.66
  5. Step 5: Solve for x
    x = 6,569,908,739.66/120,564.36
  6. Step 6: Final answer
    x = 54,492.96

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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.