Home / 106,983.81-160,415.75-73,287.93

Finding the Fourth Proportional to 106,983.81, 160,415.75 and 73,287.93

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Solution

The fourth proportional to 106,983.81, 160,415.75 and 73,287.93 is: 109,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,983.81 : 160,415.75 = 73,287.93 : x
  2. Step 2: Convert to fraction form
    106,983.81/160,415.75 = 73,287.93/x
  3. Step 3: Cross multiply
    106,983.81x = 160,415.75 × 73,287.93
  4. Step 4: Simplify right side
    106,983.81x = 11,756,537,890.46
  5. Step 5: Solve for x
    x = 11,756,537,890.46/106,983.81
  6. Step 6: Final answer
    x = 109,890.81

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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.