Home / 195,813.60-293,720.64-53,660.10

Finding the Fourth Proportional to 195,813.60, 293,720.64 and 53,660.10

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Solution

The fourth proportional to 195,813.60, 293,720.64 and 53,660.10 is: 80,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,813.60 : 293,720.64 = 53,660.10 : x
  2. Step 2: Convert to fraction form
    195,813.60/293,720.64 = 53,660.10/x
  3. Step 3: Cross multiply
    195,813.60x = 293,720.64 × 53,660.10
  4. Step 4: Simplify right side
    195,813.60x = 15,761,078,914.46
  5. Step 5: Solve for x
    x = 15,761,078,914.46/195,813.60
  6. Step 6: Final answer
    x = 80,490.22

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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.