Home / 111,543.40-166,523.09-106,877.80

Finding the Fourth Proportional to 111,543.40, 166,523.09 and 106,877.80

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Solution

The fourth proportional to 111,543.40, 166,523.09 and 106,877.80 is: 159,557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,543.40 : 166,523.09 = 106,877.80 : x
  2. Step 2: Convert to fraction form
    111,543.40/166,523.09 = 106,877.80/x
  3. Step 3: Cross multiply
    111,543.40x = 166,523.09 × 106,877.80
  4. Step 4: Simplify right side
    111,543.40x = 17,797,621,508.40
  5. Step 5: Solve for x
    x = 17,797,621,508.40/111,543.40
  6. Step 6: Final answer
    x = 159,557.82

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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.