Home / 194,383.80-291,656.25-93,130.56

Finding the Fourth Proportional to 194,383.80, 291,656.25 and 93,130.56

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Solution

The fourth proportional to 194,383.80, 291,656.25 and 93,130.56 is: 139,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,383.80 : 291,656.25 = 93,130.56 : x
  2. Step 2: Convert to fraction form
    194,383.80/291,656.25 = 93,130.56/x
  3. Step 3: Cross multiply
    194,383.80x = 291,656.25 × 93,130.56
  4. Step 4: Simplify right side
    194,383.80x = 27,162,109,890
  5. Step 5: Solve for x
    x = 27,162,109,890/194,383.80
  6. Step 6: Final answer
    x = 139,734.43

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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.