Home / 659,417.10-989,028.45-186,150.30

Finding the Fourth Proportional to 659,417.10, 989,028.45 and 186,150.30

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Solution

The fourth proportional to 659,417.10, 989,028.45 and 186,150.30 is: 279,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,417.10 : 989,028.45 = 186,150.30 : x
  2. Step 2: Convert to fraction form
    659,417.10/989,028.45 = 186,150.30/x
  3. Step 3: Cross multiply
    659,417.10x = 989,028.45 × 186,150.30
  4. Step 4: Simplify right side
    659,417.10x = 184,107,942,676.04
  5. Step 5: Solve for x
    x = 184,107,942,676.04/659,417.10
  6. Step 6: Final answer
    x = 279,198.01

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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.