Home / 109,134.84-150,477.26-74,696.18

Finding the Fourth Proportional to 109,134.84, 150,477.26 and 74,696.18

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Solution

The fourth proportional to 109,134.84, 150,477.26 and 74,696.18 is: 102,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,134.84 : 150,477.26 = 74,696.18 : x
  2. Step 2: Convert to fraction form
    109,134.84/150,477.26 = 74,696.18/x
  3. Step 3: Cross multiply
    109,134.84x = 150,477.26 × 74,696.18
  4. Step 4: Simplify right side
    109,134.84x = 11,240,075,373.00
  5. Step 5: Solve for x
    x = 11,240,075,373.00/109,134.84
  6. Step 6: Final answer
    x = 102,992.55

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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.