Home / 211,401.07-316,769.01-163,486.97

Finding the Fourth Proportional to 211,401.07, 316,769.01 and 163,486.97

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Solution

The fourth proportional to 211,401.07, 316,769.01 and 163,486.97 is: 244,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,401.07 : 316,769.01 = 163,486.97 : x
  2. Step 2: Convert to fraction form
    211,401.07/316,769.01 = 163,486.97/x
  3. Step 3: Cross multiply
    211,401.07x = 316,769.01 × 163,486.97
  4. Step 4: Simplify right side
    211,401.07x = 51,787,605,634.80
  5. Step 5: Solve for x
    x = 51,787,605,634.80/211,401.07
  6. Step 6: Final answer
    x = 244,973.24

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1.5x scale

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.