Home / 219,176.10-328,764.15-125,864.10

Finding the Fourth Proportional to 219,176.10, 328,764.15 and 125,864.10

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Solution

The fourth proportional to 219,176.10, 328,764.15 and 125,864.10 is: 188,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,176.10 : 328,764.15 = 125,864.10 : x
  2. Step 2: Convert to fraction form
    219,176.10/328,764.15 = 125,864.10/x
  3. Step 3: Cross multiply
    219,176.10x = 328,764.15 × 125,864.10
  4. Step 4: Simplify right side
    219,176.10x = 41,379,603,852.02
  5. Step 5: Solve for x
    x = 41,379,603,852.02/219,176.10
  6. Step 6: Final answer
    x = 188,796.15

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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.