Home / 106,238.03-159,298.70-72,966.47

Finding the Fourth Proportional to 106,238.03, 159,298.70 and 72,966.47

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Solution

The fourth proportional to 106,238.03, 159,298.70 and 72,966.47 is: 109,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,238.03 : 159,298.70 = 72,966.47 : x
  2. Step 2: Convert to fraction form
    106,238.03/159,298.70 = 72,966.47/x
  3. Step 3: Cross multiply
    106,238.03x = 159,298.70 × 72,966.47
  4. Step 4: Simplify right side
    106,238.03x = 11,623,462,653.26
  5. Step 5: Solve for x
    x = 11,623,462,653.26/106,238.03
  6. Step 6: Final answer
    x = 109,409.63

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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.