Home / 106,606.40-159,908.81-43,411.66

Finding the Fourth Proportional to 106,606.40, 159,908.81 and 43,411.66

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Solution

The fourth proportional to 106,606.40, 159,908.81 and 43,411.66 is: 65,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,606.40 : 159,908.81 = 43,411.66 : x
  2. Step 2: Convert to fraction form
    106,606.40/159,908.81 = 43,411.66/x
  3. Step 3: Cross multiply
    106,606.40x = 159,908.81 × 43,411.66
  4. Step 4: Simplify right side
    106,606.40x = 6,941,907,295.48
  5. Step 5: Solve for x
    x = 6,941,907,295.48/106,606.40
  6. Step 6: Final answer
    x = 65,117.18

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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.