Home / 128,834.01-177,709.14-93,076.56

Finding the Fourth Proportional to 128,834.01, 177,709.14 and 93,076.56

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Solution

The fourth proportional to 128,834.01, 177,709.14 and 93,076.56 is: 128,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,834.01 : 177,709.14 = 93,076.56 : x
  2. Step 2: Convert to fraction form
    128,834.01/177,709.14 = 93,076.56/x
  3. Step 3: Cross multiply
    128,834.01x = 177,709.14 × 93,076.56
  4. Step 4: Simplify right side
    128,834.01x = 16,540,555,431.76
  5. Step 5: Solve for x
    x = 16,540,555,431.76/128,834.01
  6. Step 6: Final answer
    x = 128,386.56

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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.