Home / 132,573.24-198,860.40-53,688.96

Finding the Fourth Proportional to 132,573.24, 198,860.40 and 53,688.96

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Solution

The fourth proportional to 132,573.24, 198,860.40 and 53,688.96 is: 80,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,573.24 : 198,860.40 = 53,688.96 : x
  2. Step 2: Convert to fraction form
    132,573.24/198,860.40 = 53,688.96/x
  3. Step 3: Cross multiply
    132,573.24x = 198,860.40 × 53,688.96
  4. Step 4: Simplify right side
    132,573.24x = 10,676,608,061.18
  5. Step 5: Solve for x
    x = 10,676,608,061.18/132,573.24
  6. Step 6: Final answer
    x = 80,533.66

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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.