Home / 211,106.30-316,680.23-61,347.91

Finding the Fourth Proportional to 211,106.30, 316,680.23 and 61,347.91

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Solution

The fourth proportional to 211,106.30, 316,680.23 and 61,347.91 is: 92,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,106.30 : 316,680.23 = 61,347.91 : x
  2. Step 2: Convert to fraction form
    211,106.30/316,680.23 = 61,347.91/x
  3. Step 3: Cross multiply
    211,106.30x = 316,680.23 × 61,347.91
  4. Step 4: Simplify right side
    211,106.30x = 19,427,668,358.68
  5. Step 5: Solve for x
    x = 19,427,668,358.68/211,106.30
  6. Step 6: Final answer
    x = 92,027.89

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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.