Home / 144,764.22-199,785.69-83,521.38

Finding the Fourth Proportional to 144,764.22, 199,785.69 and 83,521.38

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Solution

The fourth proportional to 144,764.22, 199,785.69 and 83,521.38 is: 115,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,764.22 : 199,785.69 = 83,521.38 : x
  2. Step 2: Convert to fraction form
    144,764.22/199,785.69 = 83,521.38/x
  3. Step 3: Cross multiply
    144,764.22x = 199,785.69 × 83,521.38
  4. Step 4: Simplify right side
    144,764.22x = 16,686,376,533.05
  5. Step 5: Solve for x
    x = 16,686,376,533.05/144,764.22
  6. Step 6: Final answer
    x = 115,265.89

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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.