Home / 132,429.60-198,656.55-43,683.30

Finding the Fourth Proportional to 132,429.60, 198,656.55 and 43,683.30

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Solution

The fourth proportional to 132,429.60, 198,656.55 and 43,683.30 is: 65,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,429.60 : 198,656.55 = 43,683.30 : x
  2. Step 2: Convert to fraction form
    132,429.60/198,656.55 = 43,683.30/x
  3. Step 3: Cross multiply
    132,429.60x = 198,656.55 × 43,683.30
  4. Step 4: Simplify right side
    132,429.60x = 8,677,973,670.62
  5. Step 5: Solve for x
    x = 8,677,973,670.62/132,429.60
  6. Step 6: Final answer
    x = 65,528.96

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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.