Home / 445,786.61-668,677.56-108,829.04

Finding the Fourth Proportional to 445,786.61, 668,677.56 and 108,829.04

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Solution

The fourth proportional to 445,786.61, 668,677.56 and 108,829.04 is: 163,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,786.61 : 668,677.56 = 108,829.04 : x
  2. Step 2: Convert to fraction form
    445,786.61/668,677.56 = 108,829.04/x
  3. Step 3: Cross multiply
    445,786.61x = 668,677.56 × 108,829.04
  4. Step 4: Simplify right side
    445,786.61x = 72,771,533,580.95
  5. Step 5: Solve for x
    x = 72,771,533,580.95/445,786.61
  6. Step 6: Final answer
    x = 163,242.98

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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.