Home / 111,444.92-166,009.09-105,408.68

Finding the Fourth Proportional to 111,444.92, 166,009.09 and 105,408.68

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Solution

The fourth proportional to 111,444.92, 166,009.09 and 105,408.68 is: 157,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,444.92 : 166,009.09 = 105,408.68 : x
  2. Step 2: Convert to fraction form
    111,444.92/166,009.09 = 105,408.68/x
  3. Step 3: Cross multiply
    111,444.92x = 166,009.09 × 105,408.68
  4. Step 4: Simplify right side
    111,444.92x = 17,498,799,044.90
  5. Step 5: Solve for x
    x = 17,498,799,044.90/111,444.92
  6. Step 6: Final answer
    x = 157,017.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.