Home / 219,181.10-328,774.89-61,399.58

Finding the Fourth Proportional to 219,181.10, 328,774.89 and 61,399.58

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Solution

The fourth proportional to 219,181.10, 328,774.89 and 61,399.58 is: 92,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,181.10 : 328,774.89 = 61,399.58 : x
  2. Step 2: Convert to fraction form
    219,181.10/328,774.89 = 61,399.58/x
  3. Step 3: Cross multiply
    219,181.10x = 328,774.89 × 61,399.58
  4. Step 4: Simplify right side
    219,181.10x = 20,186,638,516.67
  5. Step 5: Solve for x
    x = 20,186,638,516.67/219,181.10
  6. Step 6: Final answer
    x = 92,100.27

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1.5x scale

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.