Home / 114,733.40-172,100.10-83,629.40

Finding the Fourth Proportional to 114,733.40, 172,100.10 and 83,629.40

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Solution

The fourth proportional to 114,733.40, 172,100.10 and 83,629.40 is: 125,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,733.40 : 172,100.10 = 83,629.40 : x
  2. Step 2: Convert to fraction form
    114,733.40/172,100.10 = 83,629.40/x
  3. Step 3: Cross multiply
    114,733.40x = 172,100.10 × 83,629.40
  4. Step 4: Simplify right side
    114,733.40x = 14,392,628,102.94
  5. Step 5: Solve for x
    x = 14,392,628,102.94/114,733.40
  6. Step 6: Final answer
    x = 125,444.10

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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.