Home / 261,936.51-361,515.87-154,532.94

Finding the Fourth Proportional to 261,936.51, 361,515.87 and 154,532.94

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Solution

The fourth proportional to 261,936.51, 361,515.87 and 154,532.94 is: 213,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,936.51 : 361,515.87 = 154,532.94 : x
  2. Step 2: Convert to fraction form
    261,936.51/361,515.87 = 154,532.94/x
  3. Step 3: Cross multiply
    261,936.51x = 361,515.87 × 154,532.94
  4. Step 4: Simplify right side
    261,936.51x = 55,866,110,247.76
  5. Step 5: Solve for x
    x = 55,866,110,247.76/261,936.51
  6. Step 6: Final answer
    x = 213,281.11

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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.