Home / 132,372.51-198,478.63-53,394.47

Finding the Fourth Proportional to 132,372.51, 198,478.63 and 53,394.47

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Solution

The fourth proportional to 132,372.51, 198,478.63 and 53,394.47 is: 80,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.51 : 198,478.63 = 53,394.47 : x
  2. Step 2: Convert to fraction form
    132,372.51/198,478.63 = 53,394.47/x
  3. Step 3: Cross multiply
    132,372.51x = 198,478.63 × 53,394.47
  4. Step 4: Simplify right side
    132,372.51x = 10,597,661,073.82
  5. Step 5: Solve for x
    x = 10,597,661,073.82/132,372.51
  6. Step 6: Final answer
    x = 80,059.38

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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.