Home / 128,093.18-176,783.57-106,544.91

Finding the Fourth Proportional to 128,093.18, 176,783.57 and 106,544.91

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Solution

The fourth proportional to 128,093.18, 176,783.57 and 106,544.91 is: 147,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,093.18 : 176,783.57 = 106,544.91 : x
  2. Step 2: Convert to fraction form
    128,093.18/176,783.57 = 106,544.91/x
  3. Step 3: Cross multiply
    128,093.18x = 176,783.57 × 106,544.91
  4. Step 4: Simplify right side
    128,093.18x = 18,835,389,022.40
  5. Step 5: Solve for x
    x = 18,835,389,022.40/128,093.18
  6. Step 6: Final answer
    x = 147,044.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.