Home / 219,122.72-328,618.20-113,884.16

Finding the Fourth Proportional to 219,122.72, 328,618.20 and 113,884.16

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Solution

The fourth proportional to 219,122.72, 328,618.20 and 113,884.16 is: 170,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,122.72 : 328,618.20 = 113,884.16 : x
  2. Step 2: Convert to fraction form
    219,122.72/328,618.20 = 113,884.16/x
  3. Step 3: Cross multiply
    219,122.72x = 328,618.20 × 113,884.16
  4. Step 4: Simplify right side
    219,122.72x = 37,424,407,667.71
  5. Step 5: Solve for x
    x = 37,424,407,667.71/219,122.72
  6. Step 6: Final answer
    x = 170,792.00

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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.