Home / 211,177.35-316,769.27-70,937.19

Finding the Fourth Proportional to 211,177.35, 316,769.27 and 70,937.19

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Solution

The fourth proportional to 211,177.35, 316,769.27 and 70,937.19 is: 106,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,177.35 : 316,769.27 = 70,937.19 : x
  2. Step 2: Convert to fraction form
    211,177.35/316,769.27 = 70,937.19/x
  3. Step 3: Cross multiply
    211,177.35x = 316,769.27 × 70,937.19
  4. Step 4: Simplify right side
    211,177.35x = 22,470,721,537.47
  5. Step 5: Solve for x
    x = 22,470,721,537.47/211,177.35
  6. Step 6: Final answer
    x = 106,406.87

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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.