Home / 115,703.30-173,075.00-108,617.42

Finding the Fourth Proportional to 115,703.30, 173,075.00 and 108,617.42

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Solution

The fourth proportional to 115,703.30, 173,075.00 and 108,617.42 is: 162,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,703.30 : 173,075.00 = 108,617.42 : x
  2. Step 2: Convert to fraction form
    115,703.30/173,075.00 = 108,617.42/x
  3. Step 3: Cross multiply
    115,703.30x = 173,075.00 × 108,617.42
  4. Step 4: Simplify right side
    115,703.30x = 18,798,959,856.10
  5. Step 5: Solve for x
    x = 18,798,959,856.10/115,703.30
  6. Step 6: Final answer
    x = 162,475.57

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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.