Home / 219,733.12-329,612.80-61,975.04

Finding the Fourth Proportional to 219,733.12, 329,612.80 and 61,975.04

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Solution

The fourth proportional to 219,733.12, 329,612.80 and 61,975.04 is: 92,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,733.12 : 329,612.80 = 61,975.04 : x
  2. Step 2: Convert to fraction form
    219,733.12/329,612.80 = 61,975.04/x
  3. Step 3: Cross multiply
    219,733.12x = 329,612.80 × 61,975.04
  4. Step 4: Simplify right side
    219,733.12x = 20,427,766,464.51
  5. Step 5: Solve for x
    x = 20,427,766,464.51/219,733.12
  6. Step 6: Final answer
    x = 92,966.26

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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.