Home / 132,503.04-198,754.56-90,823.68

Finding the Fourth Proportional to 132,503.04, 198,754.56 and 90,823.68

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Solution

The fourth proportional to 132,503.04, 198,754.56 and 90,823.68 is: 136,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,503.04 : 198,754.56 = 90,823.68 : x
  2. Step 2: Convert to fraction form
    132,503.04/198,754.56 = 90,823.68/x
  3. Step 3: Cross multiply
    132,503.04x = 198,754.56 × 90,823.68
  4. Step 4: Simplify right side
    132,503.04x = 18,051,620,555.98
  5. Step 5: Solve for x
    x = 18,051,620,555.98/132,503.04
  6. Step 6: Final answer
    x = 136,235.52

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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.