Home / 105,535.07-145,660.39-97,023.71

Finding the Fourth Proportional to 105,535.07, 145,660.39 and 97,023.71

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Solution

The fourth proportional to 105,535.07, 145,660.39 and 97,023.71 is: 133,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,535.07 : 145,660.39 = 97,023.71 : x
  2. Step 2: Convert to fraction form
    105,535.07/145,660.39 = 97,023.71/x
  3. Step 3: Cross multiply
    105,535.07x = 145,660.39 × 97,023.71
  4. Step 4: Simplify right side
    105,535.07x = 14,132,512,135.44
  5. Step 5: Solve for x
    x = 14,132,512,135.44/105,535.07
  6. Step 6: Final answer
    x = 133,912.94

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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.