Home / 215,065.58-322,359.33-162,303.98

Finding the Fourth Proportional to 215,065.58, 322,359.33 and 162,303.98

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Solution

The fourth proportional to 215,065.58, 322,359.33 and 162,303.98 is: 243,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,065.58 : 322,359.33 = 162,303.98 : x
  2. Step 2: Convert to fraction form
    215,065.58/322,359.33 = 162,303.98/x
  3. Step 3: Cross multiply
    215,065.58x = 322,359.33 × 162,303.98
  4. Step 4: Simplify right side
    215,065.58x = 52,320,202,249.13
  5. Step 5: Solve for x
    x = 52,320,202,249.13/215,065.58
  6. Step 6: Final answer
    x = 243,275.57

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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.