Home / 132,188.18-198,214.23-53,281.22

Finding the Fourth Proportional to 132,188.18, 198,214.23 and 53,281.22

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Solution

The fourth proportional to 132,188.18, 198,214.23 and 53,281.22 is: 79,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,188.18 : 198,214.23 = 53,281.22 : x
  2. Step 2: Convert to fraction form
    132,188.18/198,214.23 = 53,281.22/x
  3. Step 3: Cross multiply
    132,188.18x = 198,214.23 × 53,281.22
  4. Step 4: Simplify right side
    132,188.18x = 10,561,095,995.76
  5. Step 5: Solve for x
    x = 10,561,095,995.76/132,188.18
  6. Step 6: Final answer
    x = 79,894.41

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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.