Home / 211,106.80-316,680.98-61,348.41

Finding the Fourth Proportional to 211,106.80, 316,680.98 and 61,348.41

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Solution

The fourth proportional to 211,106.80, 316,680.98 and 61,348.41 is: 92,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,106.80 : 316,680.98 = 61,348.41 : x
  2. Step 2: Convert to fraction form
    211,106.80/316,680.98 = 61,348.41/x
  3. Step 3: Cross multiply
    211,106.80x = 316,680.98 × 61,348.41
  4. Step 4: Simplify right side
    211,106.80x = 19,427,872,710.09
  5. Step 5: Solve for x
    x = 19,427,872,710.09/211,106.80
  6. Step 6: Final answer
    x = 92,028.64

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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.