Home / 219,783.10-329,565.25-70,003.98

Finding the Fourth Proportional to 219,783.10, 329,565.25 and 70,003.98

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Solution

The fourth proportional to 219,783.10, 329,565.25 and 70,003.98 is: 104,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,783.10 : 329,565.25 = 70,003.98 : x
  2. Step 2: Convert to fraction form
    219,783.10/329,565.25 = 70,003.98/x
  3. Step 3: Cross multiply
    219,783.10x = 329,565.25 × 70,003.98
  4. Step 4: Simplify right side
    219,783.10x = 23,070,879,169.70
  5. Step 5: Solve for x
    x = 23,070,879,169.70/219,783.10
  6. Step 6: Final answer
    x = 104,971.12

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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.