Home / 132,285.96-198,221.58-112,483.08

Finding the Fourth Proportional to 132,285.96, 198,221.58 and 112,483.08

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Solution

The fourth proportional to 132,285.96, 198,221.58 and 112,483.08 is: 168,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,285.96 : 198,221.58 = 112,483.08 : x
  2. Step 2: Convert to fraction form
    132,285.96/198,221.58 = 112,483.08/x
  3. Step 3: Cross multiply
    132,285.96x = 198,221.58 × 112,483.08
  4. Step 4: Simplify right side
    132,285.96x = 22,296,573,840.87
  5. Step 5: Solve for x
    x = 22,296,573,840.87/132,285.96
  6. Step 6: Final answer
    x = 168,548.30

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1.5x scale

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.