Home / 134,940.33-186,216.67-74,510.94

Finding the Fourth Proportional to 134,940.33, 186,216.67 and 74,510.94

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Solution

The fourth proportional to 134,940.33, 186,216.67 and 74,510.94 is: 102,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,940.33 : 186,216.67 = 74,510.94 : x
  2. Step 2: Convert to fraction form
    134,940.33/186,216.67 = 74,510.94/x
  3. Step 3: Cross multiply
    134,940.33x = 186,216.67 × 74,510.94
  4. Step 4: Simplify right side
    134,940.33x = 13,875,178,869.35
  5. Step 5: Solve for x
    x = 13,875,178,869.35/134,940.33
  6. Step 6: Final answer
    x = 102,824.55

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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.