Home / 105,867.07-159,434.41-96,419.23

Finding the Fourth Proportional to 105,867.07, 159,434.41 and 96,419.23

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Solution

The fourth proportional to 105,867.07, 159,434.41 and 96,419.23 is: 145,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,867.07 : 159,434.41 = 96,419.23 : x
  2. Step 2: Convert to fraction form
    105,867.07/159,434.41 = 96,419.23/x
  3. Step 3: Cross multiply
    105,867.07x = 159,434.41 × 96,419.23
  4. Step 4: Simplify right side
    105,867.07x = 15,372,543,288.75
  5. Step 5: Solve for x
    x = 15,372,543,288.75/105,867.07
  6. Step 6: Final answer
    x = 145,206.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.