Home / 106,185.84-159,278.76-39,623.28

Finding the Fourth Proportional to 106,185.84, 159,278.76 and 39,623.28

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Solution

The fourth proportional to 106,185.84, 159,278.76 and 39,623.28 is: 59,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,185.84 : 159,278.76 = 39,623.28 : x
  2. Step 2: Convert to fraction form
    106,185.84/159,278.76 = 39,623.28/x
  3. Step 3: Cross multiply
    106,185.84x = 159,278.76 × 39,623.28
  4. Step 4: Simplify right side
    106,185.84x = 6,311,146,905.53
  5. Step 5: Solve for x
    x = 6,311,146,905.53/106,185.84
  6. Step 6: Final answer
    x = 59,434.92

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1.5x scale

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.