Home / 136,075.28-187,788.71-74,826.14

Finding the Fourth Proportional to 136,075.28, 187,788.71 and 74,826.14

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Solution

The fourth proportional to 136,075.28, 187,788.71 and 74,826.14 is: 103,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,075.28 : 187,788.71 = 74,826.14 : x
  2. Step 2: Convert to fraction form
    136,075.28/187,788.71 = 74,826.14/x
  3. Step 3: Cross multiply
    136,075.28x = 187,788.71 × 74,826.14
  4. Step 4: Simplify right side
    136,075.28x = 14,051,503,930.75
  5. Step 5: Solve for x
    x = 14,051,503,930.75/136,075.28
  6. Step 6: Final answer
    x = 103,262.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.