Home / 209,853.12-314,687.04-60,059.28

Finding the Fourth Proportional to 209,853.12, 314,687.04 and 60,059.28

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Solution

The fourth proportional to 209,853.12, 314,687.04 and 60,059.28 is: 90,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,853.12 : 314,687.04 = 60,059.28 : x
  2. Step 2: Convert to fraction form
    209,853.12/314,687.04 = 60,059.28/x
  3. Step 3: Cross multiply
    209,853.12x = 314,687.04 × 60,059.28
  4. Step 4: Simplify right side
    209,853.12x = 18,899,877,047.73
  5. Step 5: Solve for x
    x = 18,899,877,047.73/209,853.12
  6. Step 6: Final answer
    x = 90,062.41

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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.