Home / 128,426.46-177,083.49-96,057.35

Finding the Fourth Proportional to 128,426.46, 177,083.49 and 96,057.35

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Solution

The fourth proportional to 128,426.46, 177,083.49 and 96,057.35 is: 132,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,426.46 : 177,083.49 = 96,057.35 : x
  2. Step 2: Convert to fraction form
    128,426.46/177,083.49 = 96,057.35/x
  3. Step 3: Cross multiply
    128,426.46x = 177,083.49 × 96,057.35
  4. Step 4: Simplify right side
    128,426.46x = 17,010,169,412.45
  5. Step 5: Solve for x
    x = 17,010,169,412.45/128,426.46
  6. Step 6: Final answer
    x = 132,450.66

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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.