Home / 106,324.39-159,486.81-72,943.26

Finding the Fourth Proportional to 106,324.39, 159,486.81 and 72,943.26

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Solution

The fourth proportional to 106,324.39, 159,486.81 and 72,943.26 is: 109,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,324.39 : 159,486.81 = 72,943.26 : x
  2. Step 2: Convert to fraction form
    106,324.39/159,486.81 = 72,943.26/x
  3. Step 3: Cross multiply
    106,324.39x = 159,486.81 × 72,943.26
  4. Step 4: Simplify right side
    106,324.39x = 11,633,487,848.40
  5. Step 5: Solve for x
    x = 11,633,487,848.40/106,324.39
  6. Step 6: Final answer
    x = 109,415.04

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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.