Home / 194,755.87-291,365.16-147,507.10

Finding the Fourth Proportional to 194,755.87, 291,365.16 and 147,507.10

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Solution

The fourth proportional to 194,755.87, 291,365.16 and 147,507.10 is: 220,678.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,755.87 : 291,365.16 = 147,507.10 : x
  2. Step 2: Convert to fraction form
    194,755.87/291,365.16 = 147,507.10/x
  3. Step 3: Cross multiply
    194,755.87x = 291,365.16 × 147,507.10
  4. Step 4: Simplify right side
    194,755.87x = 42,978,430,161.40
  5. Step 5: Solve for x
    x = 42,978,430,161.40/194,755.87
  6. Step 6: Final answer
    x = 220,678.49

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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.