Home / 211,370.22-291,359.57-160,178.02

Finding the Fourth Proportional to 211,370.22, 291,359.57 and 160,178.02

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Solution

The fourth proportional to 211,370.22, 291,359.57 and 160,178.02 is: 220,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,370.22 : 291,359.57 = 160,178.02 : x
  2. Step 2: Convert to fraction form
    211,370.22/291,359.57 = 160,178.02/x
  3. Step 3: Cross multiply
    211,370.22x = 291,359.57 × 160,178.02
  4. Step 4: Simplify right side
    211,370.22x = 46,669,397,501.36
  5. Step 5: Solve for x
    x = 46,669,397,501.36/211,370.22
  6. Step 6: Final answer
    x = 220,794.57

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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.