Home / 145,892.10-218,806.56-39,273.42

Finding the Fourth Proportional to 145,892.10, 218,806.56 and 39,273.42

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Solution

The fourth proportional to 145,892.10, 218,806.56 and 39,273.42 is: 58,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,892.10 : 218,806.56 = 39,273.42 : x
  2. Step 2: Convert to fraction form
    145,892.10/218,806.56 = 39,273.42/x
  3. Step 3: Cross multiply
    145,892.10x = 218,806.56 × 39,273.42
  4. Step 4: Simplify right side
    145,892.10x = 8,593,281,929.64
  5. Step 5: Solve for x
    x = 8,593,281,929.64/145,892.10
  6. Step 6: Final answer
    x = 58,901.63

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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.