Home / 210,909.60-316,272.24-63,131.04

Finding the Fourth Proportional to 210,909.60, 316,272.24 and 63,131.04

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Solution

The fourth proportional to 210,909.60, 316,272.24 and 63,131.04 is: 94,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,909.60 : 316,272.24 = 63,131.04 : x
  2. Step 2: Convert to fraction form
    210,909.60/316,272.24 = 63,131.04/x
  3. Step 3: Cross multiply
    210,909.60x = 316,272.24 × 63,131.04
  4. Step 4: Simplify right side
    210,909.60x = 19,966,595,434.33
  5. Step 5: Solve for x
    x = 19,966,595,434.33/210,909.60
  6. Step 6: Final answer
    x = 94,668.97

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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.