Home / 211,095.48-316,643.86-51,170.79

Finding the Fourth Proportional to 211,095.48, 316,643.86 and 51,170.79

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Solution

The fourth proportional to 211,095.48, 316,643.86 and 51,170.79 is: 76,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,095.48 : 316,643.86 = 51,170.79 : x
  2. Step 2: Convert to fraction form
    211,095.48/316,643.86 = 51,170.79/x
  3. Step 3: Cross multiply
    211,095.48x = 316,643.86 × 51,170.79
  4. Step 4: Simplify right side
    211,095.48x = 16,202,914,625.78
  5. Step 5: Solve for x
    x = 16,202,914,625.78/211,095.48
  6. Step 6: Final answer
    x = 76,756.33

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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.