Home / 114,865.09-172,185.14-64,288.81

Finding the Fourth Proportional to 114,865.09, 172,185.14 and 64,288.81

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Solution

The fourth proportional to 114,865.09, 172,185.14 and 64,288.81 is: 96,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,865.09 : 172,185.14 = 64,288.81 : x
  2. Step 2: Convert to fraction form
    114,865.09/172,185.14 = 64,288.81/x
  3. Step 3: Cross multiply
    114,865.09x = 172,185.14 × 64,288.81
  4. Step 4: Simplify right side
    114,865.09x = 11,069,577,750.28
  5. Step 5: Solve for x
    x = 11,069,577,750.28/114,865.09
  6. Step 6: Final answer
    x = 96,370.25

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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.