Home / 145,495.50-218,252.46-45,659.62

Finding the Fourth Proportional to 145,495.50, 218,252.46 and 45,659.62

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Solution

The fourth proportional to 145,495.50, 218,252.46 and 45,659.62 is: 68,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,495.50 : 218,252.46 = 45,659.62 : x
  2. Step 2: Convert to fraction form
    145,495.50/218,252.46 = 45,659.62/x
  3. Step 3: Cross multiply
    145,495.50x = 218,252.46 × 45,659.62
  4. Step 4: Simplify right side
    145,495.50x = 9,965,324,387.67
  5. Step 5: Solve for x
    x = 9,965,324,387.67/145,495.50
  6. Step 6: Final answer
    x = 68,492.32

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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.