Home / 249,950.80-344,936.82-136,780.84

Finding the Fourth Proportional to 249,950.80, 344,936.82 and 136,780.84

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Solution

The fourth proportional to 249,950.80, 344,936.82 and 136,780.84 is: 188,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,950.80 : 344,936.82 = 136,780.84 : x
  2. Step 2: Convert to fraction form
    249,950.80/344,936.82 = 136,780.84/x
  3. Step 3: Cross multiply
    249,950.80x = 344,936.82 × 136,780.84
  4. Step 4: Simplify right side
    249,950.80x = 47,180,747,986.53
  5. Step 5: Solve for x
    x = 47,180,747,986.53/249,950.80
  6. Step 6: Final answer
    x = 188,760.14

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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.