Home / 155,888.85-215,077.59-95,396.43

Finding the Fourth Proportional to 155,888.85, 215,077.59 and 95,396.43

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Solution

The fourth proportional to 155,888.85, 215,077.59 and 95,396.43 is: 131,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,888.85 : 215,077.59 = 95,396.43 : x
  2. Step 2: Convert to fraction form
    155,888.85/215,077.59 = 95,396.43/x
  3. Step 3: Cross multiply
    155,888.85x = 215,077.59 × 95,396.43
  4. Step 4: Simplify right side
    155,888.85x = 20,517,634,259.00
  5. Step 5: Solve for x
    x = 20,517,634,259.00/155,888.85
  6. Step 6: Final answer
    x = 131,617.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.