Home / 136,942.95-205,283.20-57,948.51

Finding the Fourth Proportional to 136,942.95, 205,283.20 and 57,948.51

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Solution

The fourth proportional to 136,942.95, 205,283.20 and 57,948.51 is: 86,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,942.95 : 205,283.20 = 57,948.51 : x
  2. Step 2: Convert to fraction form
    136,942.95/205,283.20 = 57,948.51/x
  3. Step 3: Cross multiply
    136,942.95x = 205,283.20 × 57,948.51
  4. Step 4: Simplify right side
    136,942.95x = 11,895,855,568.03
  5. Step 5: Solve for x
    x = 11,895,855,568.03/136,942.95
  6. Step 6: Final answer
    x = 86,867.24

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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.