Home / 132,075.64-198,111.30-53,187.88

Finding the Fourth Proportional to 132,075.64, 198,111.30 and 53,187.88

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Solution

The fourth proportional to 132,075.64, 198,111.30 and 53,187.88 is: 79,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,075.64 : 198,111.30 = 53,187.88 : x
  2. Step 2: Convert to fraction form
    132,075.64/198,111.30 = 53,187.88/x
  3. Step 3: Cross multiply
    132,075.64x = 198,111.30 × 53,187.88
  4. Step 4: Simplify right side
    132,075.64x = 10,537,120,051.04
  5. Step 5: Solve for x
    x = 10,537,120,051.04/132,075.64
  6. Step 6: Final answer
    x = 79,780.95

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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.