Home / 132,084.64-198,124.80-53,196.96

Finding the Fourth Proportional to 132,084.64, 198,124.80 and 53,196.96

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Solution

The fourth proportional to 132,084.64, 198,124.80 and 53,196.96 is: 79,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,084.64 : 198,124.80 = 53,196.96 : x
  2. Step 2: Convert to fraction form
    132,084.64/198,124.80 = 53,196.96/x
  3. Step 3: Cross multiply
    132,084.64x = 198,124.80 × 53,196.96
  4. Step 4: Simplify right side
    132,084.64x = 10,539,637,060.61
  5. Step 5: Solve for x
    x = 10,539,637,060.61/132,084.64
  6. Step 6: Final answer
    x = 79,794.57

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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.