Home / 106,222.79-159,333.89-72,841.58

Finding the Fourth Proportional to 106,222.79, 159,333.89 and 72,841.58

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Solution

The fourth proportional to 106,222.79, 159,333.89 and 72,841.58 is: 109,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,222.79 : 159,333.89 = 72,841.58 : x
  2. Step 2: Convert to fraction form
    106,222.79/159,333.89 = 72,841.58/x
  3. Step 3: Cross multiply
    106,222.79x = 159,333.89 × 72,841.58
  4. Step 4: Simplify right side
    106,222.79x = 11,606,131,731.77
  5. Step 5: Solve for x
    x = 11,606,131,731.77/106,222.79
  6. Step 6: Final answer
    x = 109,262.16

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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.