Home / 106,849.09-159,865.58-93,422.94

Finding the Fourth Proportional to 106,849.09, 159,865.58 and 93,422.94

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Solution

The fourth proportional to 106,849.09, 159,865.58 and 93,422.94 is: 139,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,849.09 : 159,865.58 = 93,422.94 : x
  2. Step 2: Convert to fraction form
    106,849.09/159,865.58 = 93,422.94/x
  3. Step 3: Cross multiply
    106,849.09x = 159,865.58 × 93,422.94
  4. Step 4: Simplify right side
    106,849.09x = 14,935,112,122.47
  5. Step 5: Solve for x
    x = 14,935,112,122.47/106,849.09
  6. Step 6: Final answer
    x = 139,777.62

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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.